Answer:
Yes !
Explanation:
The ball will have more molecules.
a basketball filled with liquid water. yes we use 22.4 L/mol as the molar volume for liquid water.
what are the properties of water ?Water is the chemical substance having chemical formula H2O, one molecule of water consist of two hydrogen atoms which are covalently bonded to a single oxygen atom.
The physical property of Water are, it is a colorless and tasteless liquid, have extensive hydrogen bonds resulting in unusual properties in the condensed form.
This also have high melting and boiling points. As compared to other liquids, water has a higher specific heat, thermal conductivity, surface tension, dipole moment, etc.
Water is a great solvent and helps in the transportation of ions and molecules required for metabolism, has high latent heat of vaporization helps in the regulation of body temperature.
It is Amphoteric nature can act as both acid and base means that it is amphoteric in nature, it is Electropositive elements which reduce water to hydrogen molecule and it is the source of hydrogen.
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An electrochemical cell operates because the electrodes in the two half-cells differ in their electrical potential. A metal electrode composed of ______ reducing agent will have a greater electrical potential to push electrons toward the electrode composed of a ______ reducing agent.
A metal electrode composed of strong reducing agent will have a greater
electrical potential to push electrons toward the electrode composed of a
weak reducing agent.
Strong reducing agents are compounds which donates or loses electrons
with a corresponding increase in the oxidation state. Weak reducing agents
can also be referred to as oxidizing agents and they accept the electrons
from the strong reducing agents which results in a reduction in the oxidation
state.
The strong reducing agent has a greater electric potential which aids the
electrons being pushed towards the electrodes with a weak reducing agent.
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Answer please
.............................................................
This is not exactly a answer you can use but this is some information that you can use to find out the answer.
You can usually confirm the charge associate degree particle unremarkably has by the element's position on the periodic table: The alkali metals (the IA elements) lose one negatron to create a ion with a 1+ charge. The alkaline-earth metal metals (IIA elements) lose 2 electrons to create a 2+ ion.
Nonmetals type negative ions (anions). A range 7|chemical element|element|gas} atom should gain 3 electrons to possess an equivalent number of electrons as AN atom of the subsequent gas, neon. Thus, a gas atom can type AN ion with 3 additional electrons than protons and a charge of 3−.
1. Which of the following statements pertaining to the ionic solids represented below are true?
(0)
1.
Both structure are ductile.
II. Structure (1) has a higher melting point than structure (ii)
III. Both structures conduct electricity in the solid state.
IV. Both structures conduct electricity in the liquid state.
Answer:
B
Explanation:
so A is nosense C and D the question is saying the stament for a being repersentation of solid not whether eletric or not
Will the things dissolve by themselves over time?
When a substance dissolves, it looks like it disappears. But in fact it has just mixed with the water to make a transparent (see-through) liquid called a solution. A solution has two parts. The solute is the solid that gets dissolved.
Answer:
it really depends what they are
Explanation:
Oxygen and Oxygen Ionic or Covalent? Defense how do you know
Answer:
oxygen are covalent bonds because they require 2 more electrons to obtain their octet shell
so when they combine with any other element, they form a covalent bond
Explanation:
Oxygen requires two shared electrons to fill its outermost shell therefore to covalent bonds form.
The burning of fossil fuels contributes to the addition of greenhouse gases to the atmosphere. These gases trap thermal energy in the Earth’s atmosphere. Which of the following would be the most reasonable changes that could result from an increase in the burning of fossil fuels?
Explanation:
The burning of fossil fuels contributes to the addition of greenhouse gases to the atmosphere. These gases trap thermal energy in the Earth's atmosphere.
The materials which contain hydrocarbons which are generated from the remains of decay of plants and animals that are buried underground for many years are called fossil fuels.
What causes by burning fossil fuels?The burning of fossil fuels can affect the environment, climatic conditions and human health. The burning of fossil fuels produces large amount of green house gases like CO₂, CH₄, etc. The increase in the amount of green house gases increases the heat and temperature of the earth's surface which leads to global warming.
The increase of temperature due to global warming can cause rise in the sea level, the glaciers of the earth will melt and coastal areas will be submerged under water due to this.
The burning of fossil fuels also releases toxic gases like SO₂, NO₂ which can cause acid rain and the emission these gases causes air pollution.
Thus the burning of fossil fuels has adverse effects.
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renal calculi contain crystallized calcium, magnesium, and uric acid. explain why patients with hyperparathyroidism would be at risk for developing renal calculi.
Patients with hyperparathyroidism would be at risk for developing renal calculi because of high calcium levels excreted by the kidney.
Hyperparathyroidism occurs when there is over secretion of parathyroid hormone by the parathyroid glands.
The parathyroid hormone is responsible for the following in the body:
Release of calcium by bones into the bloodstream. Absorption of calcium from food by the intestines, and Conservation of calcium by the kidneys.Renal calculi are strong masses of stones deposited in the kidneys or urinary bladder.
When there is excess calcium in the blood due to hyperparathyroidism, the kidneys would be over burdened with the excretion of excess calcium.
That extra calcium in the kidney & the urine leads to kidney stone development ( renal calculi).
Therefore, patients with hyperparathyroidism would be at risk for developing renal calculi because of high calcium levels excreted by the kidney.
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Which of these elements would have an electron affinity higher than that of oxygen?
Li
Ca
Ne
C
Be
Answer: Ne ( Neon )
Explanation: Lithium ( Li ), beryllium ( Be ), carbon ( C ), oxygen ( O ), and neon ( Ne ), are all in Period 2 in that order. Sodium ( Na ) is in Period 3. Since electron affinities decrease as you go down, Na would have a lower electron affinity level then Li but since electron affinities increase as you go across a period, only neon is farther right then oxygen ( O ), so it would be the only one element of this group that would have a higher electron affinity than that of oxygen.
There are various kind of elements that are present in periodic table. Some elements are harmful, some are radioactive, some are noble gases. Option C is correct option.
What is periodic table?Periodic table is a table in which we find elements with properties like metals, non metals, metalloids and radioactive element arranges in increasing atomic number.
Periodic table help a scientist to know what are the different types of elements are present in periodic table so that they can discover the new elements that are not being discovered yet.
On going down the group electronegativity decreases. On going along the period the electronegativity increases. So, Neon lies on the extreme right of Fluorine in the same period. Neon will have more electronegativity than oxygen.
Therefore, Neon is more electronegativity than fluorine.
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DO the postulates of daltons atomic theory explain the law of consrevetion of mass and thelaw of constant composition
Answer:
see answer
Explanation:
DO the postulates of Daltons atomic theory explain the law of conservation of mass and the law of constant composition.
Dalton's Atomic Theory Postulates1. Everything is composed of atoms, which are the indivisible building blocks of matter and cannot be destroyed or divided any further.
2. All atoms of a single pure element are the same in size and mass
3. Atoms of different elements vary from each other in size and mass.
4. Compounds are produced through different simple whole-number combinations of atoms to produce molecules.
5. Anywhere a compound exists, it will have the same atoms in the same ratio.
6. A chemical reaction between compounds is a re-arrangement of atoms
The law of conservation of mass is shown in 2, 4. and 5.
The law of constant co,position is shown in 2, 4, 5, and 6
the factor that governs the formula of an ionic compound such as ca3n2 is
Answer:
the charge or oxidation number on the cation and anion.
Explanation:
The factor that governs the formula of an ionic compound such as Ca3N2 is the charge or oxidation number on the cation and anion.
In the example, Ca has a +2 charge, N has a -3 charge
So we need 3 x ( +2) to balance 2 x (-3) and have an electrically neutral compound, so
+6 -6 =0
The factor that governs the formula of an ionic compound such as Ca₃N₂ is charge.
What are ionic compounds?Those compounds in which ionic bond is present between the cation and anion is known as ionic compound.
The most important factor that is essential for the formation of ionic compounds are charge i.e. positive charge and negative charge. In the given compound Ca₃N₂, Calcium (Ca) is present in the +2 oxidation state and Nitrogen is present in the -3 oxidation state. So due to attraction between these charges they make a ionic compound.
Hence charge is important factor.
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What is q in chemistry.
Answer:
The reaction quotient!
Explanation:
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Which type of dry-chemical fixed application method introduces a concentration of agent into a closed area
Actuating mechanism is the dry-chemical fixed application method which
introduces a concentration of agent into a closed area.
The actuating mechanism is commonly used in piping systems and
involves the transport of a control member in automatic or remote control
systems.
The closed system makes manual navigation very difficult which is why the
actuating mechanism in automatic systems are usually used to make it less
tedious and accurate.
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if your going down a hill what type of energy are you making?
Answer:
Gravitational potential energy - into Kinetic energy
Explanation:
0.0200 moles of a compound is found to have a mass of 1.64 g. Find the formula mass of the compound
Give your answers to 3 significant figures
Answer: 82.0 g/mole
Explanation:
Use the units to see that if we divide 1.64 grams by 0.0200 moles, we'll get a number that is grams/mole, the definition of formula mass.
1.64/0.0200 = 82.0 g/mole (3 sig figs)
We can't tell from this alone what the molecular formula might be, but C6H10 (cyclohexene) comes close (82.1 grams/mole).
The formula mass of the compound will be approximately 82.0 g/mol
The formula mass of the compound is the sum of atomic masses of all the atoms in its chemical formula. It is calculated by adding up the atomic masses of the individual elements in the compound, each multiplied by the subscript indicating the number of atoms of that element in the formula.
To find the formula mass of the compound, we'll use the relationship between moles, mass, and molar mass.
Molar mass (in g/mol) = Mass (in g)/Moles
Given:
Mass = 1.64 g
Moles = 0.0200 moles
Let's plug the values and calculate molar mass:
Molar mass = 1.64 g / 0.0200 moles
Molar mass ≈ 82.0 g/mol
The formula mass of the compound is approximately 82.0 g/mol, rounded to three significant figures.
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How to calculate work done with change in volume and pressure.
[tex]W = \displaystyle \int dW = \displaystyle \int^{V_2}_{V_1} p ~dV = p(V_2 - V_1) = p \Delta V[/tex]
What is carbon? What does it do?
which of the following molecules can form hydrogen bonds with others like it?
Answer:
nitrogen, oxygen and fluorine
What is the theoretical yield of sodium chloride when 8.3 g of sodium is reacted with 4.5 g of chlorine? 2Na(s) + Cl2(g) → 2NaCl(s)
The theoretical yield of sodium chloride when 8.3 g of sodium react with 4.5 g of chlorine is 3.30 g
We'll begin calculating the masses of Na and Cl that reacted and the mass of NaCl produced from the balanced equation.
2Na + Cl₂ —> 2NaClMolar mass of Na = 23 g/mol
Mass of Na from the balanced equation = 2 × 23 = 46 g
Molar mass of Cl₂ = 2 × 35.5 = 71 g/mol
Mass of Cl₂ from the balanced equation = 1 × 71 = 71 g
Molar mass of NaCl = 23 + 35.5 = 58.5 g/mol
Mass of NaCl from the balanced equation = 2 × 58.5 = 117 g
SUMMARY
From the balanced equation above,
46 g of Na reacted with 71 g of Cl₂ to produce 117 g of NaCl
Next, we shall determine the limiting reactant.From the balanced equation above,
46 g of Na reacted with 71 g of Cl₂
Therefore,
8.3 g of Na will react with = (8.3 × 71)/46 = 12.81 g of Cl₂
From the calculation made above, we can see that a higher amount (i.e 12.81 g) of Cl₂ than what was given (i.e 4.5 g) is needed to react completely with 8.3 g of Na.
Therefore, Cl₂ is the limiting reactant and Na is the excess reactant
Finally, we shall determine the theoretical yield of NaCl by using the limiting reactant (i.e Cl₂)From the balanced equation above,
71 g of Cl₂ reacted to produce 117 g of NaCl.
Therefore,
4.5 g of Cl₂ will react to produce = (4.5 × 117)/71 = 3.30 g of NaCl
Thus, the theoretical yield of NaCl produced is 3.30 g
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Answer:
The correct answer is 7.4 g NaCl
Explanation:
an atom of ordinary hydrogen consists of an electron and a
Answer: hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force.
Explanation:
An atom of ordinary hydrogen consists of one electron and one proton and zero neutrons.
What is a hydrogen atom?Hydrogen is a chemical element placed at the top of group 1 in the periodic table and is represented by the chemical symbol H and atomic number 1.
A hydrogen atom is the lightest atom of the element in the whole periodic table. Hydrogen exists as a gas of diatomic molecules having the formula H₂ at standard conditions. Hydrogen gas is tasteless, colorless, odorless, non-toxic, and highly combustible.
Hydrogen is constituting roughly 75% of all normal matter and is the most abundant chemical substance in the universe. Most of the hydrogen element on Earth exists in forms like water and organic compounds. Each atom of hydrogen (¹H) has one proton, one electron, and no neutrons.
Hydrogen element is nonmetallic and easily forms a single covalent bond with most nonmetallic elements, forming compounds like water.
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2. What mass of water absorbs 6700 J of heat to raise the temperature from 283K to 318K?
Answer:
Q = mcT ...you can either substitute the molar heat capacity of water in the place of c or the specific heat capacity of water.
Explanation:
Which polymer structure should be used if a strong and heat - resistant adhesive is required?
1. Linear
2. Branched
3. Networked
4 . Cross - linked
Cross-linked polymers are strong and heat - resistant hence they can be used for this purpose.
A polymer is obtained by the combination of small molecules called monomers. A polymer consists of a regular repeating unit of small molecules called monomers.
A cross-linked polymer is a polymer in which covalent bonds are used to join polymer chains together. Cross-linked polymers are strong and heat - resistant hence they can be used for this purpose.
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I NEED THE ANSWER ASAP! Its science btw
Which statement describes conditions in which a mineral can form?
A. Crystals of minerals dissolve in the groundwater in caves.
B. Materials dissolved in seawater crystallize on an ocean bottom.
C. Molten materials are cooled in a netalworks factory
D. Materials are mined from deposits deep underground.
Answer:
b
Explanation:
what word describes when tiny droplets of one liquid are finely dispersed within another liquid?
When tiny droplets of one liquid are finely dispersed within another liquid it is called emulsion.
Emulsion can be defined as the process by which two liquids that are not miscible come together to form a mixture.
The emulsion mixture usually consists of an oil phase and a water phase.
The oil phase appears as droplets when dispersed (mixed with) the water phase.
The uses of emulsion include:
It is used in chemical industries for production.It is used for production of medicine.Digestion of fatty food components in the intestine takes place through the process of emulsion.Learn more here:
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what is the difference in chemical energy between organic and inorganic materials?
Answer:
the difference is the presence of a carbon atom
Explanation:
How many dozens of silver atoms are in the piece of jewelry?.
Please help! Giving 20 points!
Question: How can NASA scientists use Newton's third law of motion to plan for a space vehicle landing on a meteor? Make a claim. Support your claim with evidence from the article. Then, explain why the evidence supports your claim.
Article: https://newsela.com/read/lib-newton-third-law/id/54749/
Answer:
Explanation:
NASA uses rockets to launch astronauts and supplies to the International Space Station. Launching a rocket relies on Newton's Third Law of Motion. A rocket engine produces thrust through action and reaction. The engine produces hot exhaust gases which flow out of the back of the engine
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mr. garcia uses magnets to hold a poster on a steel filing cabinet because a main component of steel is iron. carbon. plastic. glass.
Mr. garcia uses magnets to hold a poster on a steel filing cabinet because a main component of steel is iron.
What is iron?The chemical element iron has the atomic number 26 and the symbol Fe. It is a metal that is found in group 8 of a periodic table and the first transition series. It makes up a large portion of the planet's outer or inner core and is the most prevalent element on Earth by mass, just ahead of oxygen.
It is the fourth most prevalent element in the crust of the Earth, having been mostly deposited by meteorites inside its metallic state, along with its ores. Iron ores must be processed in kilns or furnaces that may reach 5000 °C (2,730 °F) and higher, which is approximately 500 °C (932 °F) greater than the temperature needed to smelt copper. Mr. garcia uses magnets to hold a poster on a steel filing cabinet because a main component of steel is iron.
Therefore, mr. garcia uses magnets to hold a poster on a steel filing cabinet because a main component of steel is iron.
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Infrared waves travel at a speed of 3.00 x 10^8 m/s. What is the frequency of an infrared wave
that has a vacuum wavelength of 5.5 micrometers?
(1 micrometer= 1x10^-6 m)
O 5.5 X 10^12 Hz
O 5.5 x 10^10 Hz
O 5.5 X 10^11 Hz
O 5.5 X 10^13 Hz
The frequency of the infrared wave at the given speed and wavelength is [tex]5.5 \times 10^{13} \ Hz[/tex].
The given parameters;
speed of the wave, v = 3 x 10⁸ m/swavelength of the wave, λ = 5.5 μmThe frequency of the infrared wave is calculated by using wave equation as shown below;
v = fλ
where;
f is the frequency of the wave[tex]f = \frac{v}{\lambda} \\\\f = \frac{3\times 10^8}{5.5 \times 10^{-6}} \\\\f = 5.5 \times 10^{13} \ Hz[/tex]
Thus, the frequency of the infrared wave at the given speed and wavelength is [tex]5.5 \times 10^{13} \ Hz[/tex].
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Why are you more likely to become dehydrated in hot weather?
Answer:
sweat
Explanation:
you get dehydrated in hot weather because your body will release sweat to try and keep you cool
Answer:
Well, the heat can sometimes be very subtle in how it affects the body. If you're out in the sun, it can take just 30 minutes or up to a few hours for the heat to cause dehydration, nausea or it could cause trouble concentrating. When it's hot and humid, your risk of dehydration and heat illness increases. That's because when the air is humid, sweat can't evaporate and cool you as quickly as it normally does, and this can lead to an increased body temperature and the need for more fluids.
I HOPE DAT THIS HELPS :)
Explanation:
What is an ionic bond.
Answer:
ionic bond is the type of bond formed from electrostatic attraction between oppositely charged ion in a chemical compound
