Answer: Zinc
Explanation: Zinc has the lowest density. Since density = mass/volume, we can also say volume = mass/density. Given the same masses, the metal with the lowest density would have the largest volume.
The sample is given. The sample which has the largest volume is Zinc, density = 7.15 g/mL.
What is volume?Volume is the space occupied by a three-dimensional object. It is the total space occupied by any object like water, a box, or gas. Volume can be calculated as mass/density.
[tex]\rm{Volume = \dfrac{mass}{density}}[/tex]
Given elements are Copper, density = 8.92 g/mL Mercury, density = 13.6 g/mL Gold, density = 19.3 g/mL Zinc, density = 7.15 g/mL
They all have similar mass, and different density is given; we have to find the volume.
If we take a similar mass, so the element with the lowest density will have the greatest volume, by the rule. We can see that zinc has the lowest density, which is 7.15 g/mL. So, the largest volume will have the Zinc.
Thus, the largest volume containing element is Zinc, density = 7.15 g/mL.
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What did the Aboriginal people use to weave dilly bags?
Answer:
This bag has been made from introduced materials, but before foreign fibres were used dilly bags were made from bark, leaves, stems, roots, human hair, animal fur and animal sinew.
The volume (V) of an enclosed mass of gas is 350kPa. The pressure of the endlosed gas is now decreased to 125kPa, at constant temperature. What will the new volume of the gas be, in terms of V (2)
Answer: V1/V2 = 0.357,
V2 = (V1/0.357) or 28.0*V2
Explanation: Use the combined gas law: P1V1/T1 = P2V2/T2 We want to find V1/2 (or V2/V1). Rearrange:
V1/V2 = (P2/P1)(T1/T2)
The units all cancel. Temerature is constant, so (T1/T2) = 1.
V1/V2 = (125/350)*(1)
V1/V2 = 0.357
Which of the following is an
example of a homogeneous
mixture?
A. fruit punch
B. a sandwich
C. a toolbox
Answer:
fruit punch
Explanation:
............
How many protons, neutrons, and electrons are present in an atom of hafnium, Hf, with a mass number of 178?
Answer:Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. The chemical symbol for Hafnium is Hf. Neutron Number and Mass Number of Hafnium Mass numbers of typical isotopes of Hafnium are 176-178, 179, 180.
Explanation:
PLZZZZZZZZZZZZZZ HELP FAST
Answer:
Choice 3.
Explanation:
Higher temperature leads to higher avg kinetic energy so you can use POE to eliminate options 2 and 4. Since the temperature increases, the molecules will move faster and that would make less space between particles so you can eliminate choice 1. You wouldn't need to look at the volume choices and know the answer is choice 3.
What is the formula mass of a compound with 2 aluminum atoms and 3 oxygen atoms?
Answer:
[tex]\boxed {\boxed {\sf 101.96 \ amu}}[/tex]
Explanation:
Formula mass is the sum of the atomic masses of the atoms in a molecule. Essentially, it is the mass of 1 molecule of a compound.
We are given a compound containing 2 aluminum atoms and 3 oxygen atoms. We will use the Periodic Table to look up the atomic masses of the 2 elements in the compound.
Al: 26.981538 amuO: 15.999 amuThese are the atomic masses of 1 atom of the element. Remember we have 2 Al atoms and 3 O atoms. We multiply the element's atomic mass by the number of atoms of that element in the compound.
2 Al: 26.981538 amu *2= 53.963076 amu 3 O: 15.999 amu * 3=47.997 amuNow we add the atomic mass of 2 Al atoms and 3 O atoms.
53.963076 amu + 47.997 amu = 101.960076 amuWe may want to round this answer to the hundredth place. The 0 in the thousandth place tells us to leave the 6 in the hundredth place.
101.96 amuThe formula mass of a compound with 2 aluminum atoms and 3 oxygen atoms is approximately 101.96 atomic mass units.
1. What is the Charlotte?
A. A train
B. A car
D. An airplane
C. A ship
Answer:
B is the Charlotte
Explanation:
it is Charlotte because it has 4 wheels
B
Answer:
B. a car is a charlotte
Explanation:
because it has four wheels
Each of the following can be used to make observations, except:
What are the two key ingredeints that help science move forward?
Answer:
science needs both ideas the hypothesis and facts the quantitative results to move forward
Explanation:
the two primary features of a scientific hypothesis are falsifiability and testability which are reflected in an If…then statement summarizing the idea and in the ability to be supported or refuted through observation and experimentation
Which statement is true about a triple beam balance and spring scale?(1 point)
A.Both a triple beam balance and a spring scale are used to measure the mass of an object.
B.Both a triple beam balance and a spring scale are used to measure the mass of an object.
C.A triple beam balance is used to measure the weight of an object, and a spring scale is used to measure the mass of an object.
D.A triple beam balance is used to measure the weight of an object, and a spring scale is used to measure the mass of an object.
Answer:
D. A triple beam balance is used to measure the weight of an object, and a spring scale is used to measure the mass of an object.
Explanation:
:)
Answer: The right answer is C!
Explanation: This is 100% right hope its helps! :-D
In a synthesis reaction, two atoms of sodium (Na) combine with one molecule of chlorine gas (Cl2) to produce sodium chloride (NaCl). How many molecules of sodium chloride are produced?(1 point)
four
two
one
three
Answer: 2
Explanation: I DID DA TEST
A synthesis reaction is a chemical reaction in which two different atoms interact together to produce a different molecule or compound.
Sodium is an alkali metal with the atomic number 11. It has a +1 valence electron in its outermost shell.
Chlorine is a halogen family element with the atomic element 17. It requires an electron to complete its octet structure.
That is why the bonding reaction between them is called Electrovalent or Ionic bonding.
When 2 moles of Sodium (Na) combines with 1 mole of Chlorine (Cl), we have:
[tex]\mathbf{2 Na_{(s)} + Cl_2_{(g)} \ \to \ 2NaCl_{(s)} }[/tex]
Therefore, from the above reaction, we can conclude that there are two molecules of sodium produced when two atoms of sodium (Na) combine with one molecule of chlorine gas (Cl2).
Learn more about synthesis reaction here:
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what happens when an object in space revolves
Answer:
Objects in space follow the laws or rules of physics, just like objects on Earth do. Things in space have inertia. ... The movement of things in space is influenced by gravity. Gravity is an important force that can change the course of bodies in space or pull them off of one course, or even cause them to crash together.
Explanation:
i Hope This Helps :3
Answer: It is Turing on an axis, in a 360* motion. OR, since you didn’t specify, it could be revolving around the sun, meaning it is traveling around the sun once.
Describe the process of making the four major macromolecules.
Answer:
Proteins, carbohydrates, nucleic acids, and lipids are the four major classes of biological macromolecules—large molecules necessary for life that are built from smaller organic molecules. Macromolecules are made up of single units known as monomers that are joined by covalent bonds to form larger polymers.
Explanation:
Have a great day!
Answer:, , nucleic acids, and lipids are the four major classes of biological macromolecules—large molecules necessary for life that are built from smaller organic molecules. Macromolecules are made up of single units known as monomers that are joined by covalent bonds to form larger polymers. I forgot to add carbohydrates and proteins also my bad
i just started learning aboit this too
Explanation:
N is a number between_____ and______
Answer:
m and o
Explanation:
n is the number between m and o
En la tienda compre una botella con agua la cual no venía etiquetada, ¿Que unidades de medición debe contener la etiqueta para saber la masa de la botella, su volumen y a qué temperatura debe mantenerse?
La unidad de medición para saber la masa de la botella es el gramo.
La unidad de medición para saber el volumen de la botella es el centímetro cúbico o el mililitro o el litro.
La unidad de medición para saber la temperatura de la botella es el grado Celsius.
Inicialmente, vamos a asumir que la botella de agua ha sido comprada en una zona donde las unidades del Sistema Internacional de Medidas es el Sistema Estándar de Pesas y Medidas. En este problema, se requiere conocer tres unidades para la Masa, el Volumen y la Temperatura, cuyas Unidades Fundamentales son las siguientes:
Masa - Kilogramo ([tex]kg[/tex])Volumen - Metro cúbico ([tex]m^{3}[/tex])Temperatura - Grado Celsius ([tex]^{\circ}\,C[/tex])Puesto que la adquisición de botellas de agua en almacenes se realiza en forma Minorista, tanto el Volumen como la Masa, Propiedades Extensivas de la Materia, deben basarse en Unidades Derivadas, es decir, Unidades relacionadas con Unidades Fundamentales mediante relación constante, mientras la Temperatura debe ser una Unidad Fundamental por ser una Propiedad Intensiva de la Materia. Las Unidades más usuales para la botella de agua son:
Masa - Gramo ([tex]g[/tex])Volumen - Centímetros Cúbicos ([tex]cm^{3}[/tex]) o Mililitros ([tex]mL[/tex]) o Litros (L)Temperatura - Grado Celsius ([tex]^{\circ}\,C[/tex])La unidad de medición para saber la masa de la botella es el gramo.
La unidad de medición para saber el volumen de la botella es el centímetro cúbico o el mililitro o el litro.
La unidad de medición para saber la temperatura de la botella es el grado Celsius.
Invitamos a ver esta pregunta relacionada con Unidades del Sistema Internacional: https://brainly.com/question/19388259
A girl pushes a toy boat to the right with a 15 N force. A boy pushes the same boat to the left with a 20 N force. what is the net force? what will happen?
Answer:
the net force is 5. I believe the boat with move to the left due to the increase amount of force the boy is using to push the boat.
Proses yang manakah mempunyai kadar tindak balas yang paling tin gi? Which process has the highest rate of reaction? A Fotosintesis Photosynthesis B Respiration Respiration C Pembakaran Combustion D Rusting Pembakaran
Give an example of derived unit.
Answer:
A derived unit is a unit that results from a mathematical combination of SI base units. We have already discussed volume and energy as two examples of derived units.
How to solve this? Pls help!!
a liquid that occupies a volume of 0.820 L and has a mass of 2.56 kg
what is the density of this liquid in kg/L
Answer:
3121.95 kilogram/cubic meter
Explanation:
I used an online calculator
Hope I helped!
oops i dont think i meant to do this
First one to answer will be marked as brainliast
If 180 grams of sugar can be dissolve in 100 milliliters of water to make a saturated solution of sugar at room temperature, how much sugar is needed to make a saturated solution of sugar in 250 ml of water, if it already contains 200 grams of sugar dissolved as an unsaturated solution
Answer:
130 gram
Explanation:
first subtract 180 to 100
then the answer is 80
now add 80 to 250
the answer is 330
lastly subtract 330 with 250
the final answer is 130
The diffrences between wood and stone
Wood:
Wood comes from trees, that are growing out of the ground, but not TECHNICALLY part of the earth.
Stone:
Stone is a part of the earth, created by a lot of minerals combining, and molten rock hardening a LOOOOOOONG time ago.
write down the importance of solution in our daily life in any 4 points
Explanation:
Four importances :
1. Solution of tea leaves, water and sugar is used to make tea
2. Solutions of the chemicals are used in labrotary
3. The drinks that we take are also a kind of solution
4. The air is also a solution of different gases
When a metal such as copper is heated,it expands. Can anyone tell me what happens to the metal particles as the solid metal expands?
Answer:
The metal molecules inside start to vibrate faster, causing the solid to change to liquid if exposed to the intense temperature over a long period of time.
Explanation:
As my answer states, but for an explanation, lets say you are boiling an ice cube, it will start to turn into liquid water, that is because it has been exposed to that heat for a long period of time. The same will happen for the metal, if its exposed for long enough, it will turn into a liquid, then can be turned into a gas because the molecules are vibrating so quickly that they start to easily move apart.
Hope this helps, let me know if any more clarification is needed.
What conditions might cause a
scientist to modify
or revise a
hypothesis
Answer:
Upon analysis of the results, a hypothesis can be rejected or modified, but it can never be proven to be correct 100 percent of the time. For example, relativity has been tested many times, so it is generally accepted as true, but there could be an instance, which has not been encountered, where it is not true.
Explanation:
A gas has a density of 5.56 g/L. What would the mass in kilograms of 1 m^3 of this gas
Answer:
Mass is 5560 grams
Explanation:
[tex]{ \boxed{mass = density \times volume}}[/tex]
Density is 5.56 g/L
Volume is 1 m³ = 1,000 L
Substitute the following to get mass:
[tex]mass = (5.56 \times 1000) \\ { \boxed{ \boxed{mass = 5560 \: grams}}}[/tex]
Is a mixture of stones?
homogeneous or heterogeneous
Answer:
Heterogeneous mixture because it is not soluble and in non uniform texture.
What is the function of a vacuole?
A) Thick solution that fits all cells
B) Stores food, water, and waster
C) transports proteins
D) helps with cell division
Answer:
B stores food, water and waster
What type of energy is stored in the nucleus of an atom
Answer:
nuclear energy
Explanation:
this holds the nucleus together
