A compound that consists of two non-metal elements in its structure and compound is called a binary molecular compound. They can have two different elements in their structures bonded by various bonds like carbon dioxide, sodium chloride etc.
The naming of [tex]\rm H_{2}O[/tex] is dihydrogen oxygen and of [tex]\rm H_{2}O_{2}[/tex] is dihydrogen dioxygen.
How to name binary molecular compounds?[tex]\rm H_{2}O[/tex] is a water molecule and is a binary molecular compound as it has one element of oxygen and other elements of hydrogen. The compound has two hydrogen and one oxygen atom and thus will be named dihydrogen oxygen.[tex]\rm H_{2}O_{2}[/tex] is the peroxide and is a binary molecular compound as it also has hydrogen and oxygen element in its structural formula. The compound has two oxygen and two hydrogen elements in its structure and therefore, will be named dihydrogen dioxygen.Thus, the naming of water is dihydrogen oxygen and hydrogen peroxide is dihydrogen dioxygen.
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Select the correct answer.
John is riding a ski lift to the top of Wildcat Mountain. He removes his gloves and rapidly rubs his hands together to warm them up. What
happens when John rubs his hands?
O A. The skin on his hands rapidly conducts heat, similar to metal.
O B. He traps heat between his hands because skin is an insulator. IS
O C. The particles In his hands vibrate faster because of friction.
O D. Thermal energy moves from his fingertips to his palms.
O E. He simulates a fever that'll raise his core body temperature.
Answer:
Fairly certain it's C. The particles In his hands vibrate faster because of friction :)
Answer:
C
Explanation:
i need to write a brief paragraph on why this lab is important, please help!! here is the question!
How can the properties of acids and bases be used to classify solutions?
Answer:
Acids and bases aqueous solutions will conduct electricity because they contain dissolved ions. Therefore acids and bases are electrolytes. strong acids and bases will be electrolytes. weak acids and bases will be weak electrolytes.
How many moles are in 100.0g of gold
what are the respective coefficients needed to balance the equation below _N2(g) + _H2(g) --> _NH3(g)
In the balanced equation, the mass of reactant is exactly equal to the mass of product. The respective coefficients needed to balance the equation is N₂(g) + 3H₂(g) ⇒ NH₃(g) .
What is balanced equation ?A chemical equation that is balanced has equal amounts of each element's atoms on both sides of the equation and conserves mass.
Because mass cannot be generated or destroyed, according to the rule of conservation of mass, a chemical equation must always be in balance.
The Law of Conservation of Mass is followed by a balanced equation. This is a crucial scientific guiding principle. Finally, a balanced equation enables us to forecast the quantity of reactants and products that will be produced. Sort of crucial if you're attempting to determine how much fuel to supply a spacecraft traveling to Mars
Thus, the balanced equation is N₂(g) + 3H₂(g) ⇒ NH₃(g) .
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The substances below are listed by increasing specific heat capacity value. Starting at 30.0 °C, they each absorb 100 kJ of thermal energy. Which one do you expect to increase in temperature the most? (3 points)
a
Silver, 0.239 J/(g °C)
b
Aluminum, 0.921 J/(g °C)
c
Lithium, 3.56 J/(g °C)
d
Water, 4.184 J/(g °C)
Answer:
the answer is B
Explanation:
PLEASE Answer asap! Compare two periodic families below. You must include at least two facts about each family. You may use any description of properties or periodic trends to help you.
Answer:
The alkali metals/group 1 are recognized as a group and family of elements. These elements are metals. Sodium and potassium are examples of elements in this family. Hydrogen is not considered an alkali metal because the gas does not exhibit the typical properties of the group. The largest family of elements consists of transition metals/group 3-12/group 3a. The center of the periodic table contains the transition metals, plus the two rows below the body of the table (lanthanides and actinides) are special transition metals. Even though both are metals, transition metals have higher melting points; they have higher density; they are less reactive with water; they react and form ions with different charges, but Group 1 metals only form 1+ ions. (Hope the is helpful! You can reword it if you want...)(same answer from the other same question you posted)
An alpha particle is identical to a:
helium nucleus
hydrogen nucleus
high energy electron
radium nucleus
Answer: helium nucleus
3 of 12
Assessment: Force and Motion CBA
Four students recorded the time it took them to walk to school from their homes as shown in the table
below.
Student
1
2
3
Motion of Four Students
Distance (meters) Time (minutes)
1,100
20
1,026
19
848
16
795
15
4
Which student had the greatest average speed?
Student 1
Student 2
Student 3
Student 4
1
2
3
4
5
6
7
8
9
10
Next
Can someone please help
Answer:
1. c) shiny
2) True. Reactivity is a chemical property.
1. A metal is shiny
2. yes
that's all
Where are the places these minerals are found: Gold, Limestone and kaiolin.
Explanation:
Gold: The Kolar Gold Fields in Kolar used to be one of the major producers of gold in India, before it shut down. Presently the gold mines of Hutti and Raichur produce almost 84 per cent of the country’s gold. The other major centers of gold mining are Dharwad and Chitradurga. The gold mines produce about 3,000 kg’s of gold per annum. The district of Raichur is also famous for its silver deposits.
Limestone: It is another important mineral with an estimated 51,000 million tons. Karnataka has the largest limestone reserve in India. The districts of Gulbarga, Bagalkot, Belgaum, Shimoga and other Uttara Kannada districts are endowed with extensive high grade limestone. The present and consistent production of approximately 14 million tonnes provides for the cement plants in these districts.
China clay (kaolin) consisting dominantly of kaolinite is one of the most sophisticated industrial minerals with a host of applications, viz., in ceramics, refractories, paper coating, filler for rubber, insecticides, cement, paint, textiles, fertilizers and others including abrasives, asbestos products, fibreglass, chemicals, cosmetics, pharmaceuticals, electrical ware, foundry and glass.
The Department of Mining and Geology through their past investigation campaigns in parts of Kerala,identified two major china clay zones viz., the southern china clay zone between Thiruvananthapuram and Kundara (Thiruvananthapuram and Kollam districts) and the northern china clay zone between Kannapuram Madayi -Cheruthazham in Kannur district to Nileswarm - Manjeshwaram in Kasargod district. An estimated reserve of 172 million tonnes (probable reserve of 80 million tonnes and possible reserve of 92 million tonnes) of china clay of sedimentary and residual origin has been arrived at.
Kerala china clay is one of the finest quality clay and is world class. In fact, Kaolin marketed by English Indian Clays Ltd. (EICL), Thiruvananthapuram claims to have similar or even better properties compared to imported clays.
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When performing a neutralization reaction, how should students test the solution to be sure which is the acid and which is the base?
Explanation:
La reacción entre un ácido y una base se llama neutralización. Cuando en la reacción participan un ácido fuerte y una base fuerte se obtiene una sal y agua. Si una de las especies es de naturaleza débil y la neutralización se produce en disolución acuosa también se obtiene su respectiva especie conjugada y agua.
help? please and thank you! very much appreciated
Answer:
Option B is correct
Explanation:
The Formula of Nitrate is NO₃⁻
-TheUnknownScientist
Sn(IV) and Br
chemical formula
why is pluto classified as a dwarf planet?
Answer:
pluto is considered a dwarf planet because it did not meet the three criteria the IAU uses to define a full sized planet
Explanation:
How many mL of a 1.63 M solution would contain 12 g of Na(OH)?
Answer:
89 mL of solution would contain the given amount of Al(NO₃)₃.
Explanation:
Hope this help
Name the gas that the limewater in the flask is testing for.
Answer:
Explanation:
Carbon dioxide is the answer I think.
Hope it helps...
Which phrase best describes an individual organ
Answer:
the answer is B
Explanation:
what is my name?
chetana
ikshya
grishma
bhumika
puja
they're name of bunch of girls.
True or False: Only animals can move pollen from plant to plant.
A. True
B. False
i think false because of the wind or insects
A student weighs an empty flask and stopper and finds the mass to be 53.256 g. She then adds about 5 mL of an unknown liquid and heats the flask in a boiling water bath at 98.8°C. After all the liquid is vaporized, she removes the flask from the bath, stoppers it, and lets it cool. After it is cool, she momen- tarily removes the stopper, then replaces it and weighs the flask and condensed vapor, obtaining a mass of 53.780 g. The volume of the flask is known to be 231.1 mL. The absolute atmospheric pressure in the laboratory that day is 728 mm Hg. a. What was the pressure of the vapor in the flask in atm?
Answer:
a. The pressure in the flask open to the atmosphere during the vaporization of the unknown liquid is equal to the prevailing atmospheric pressure equivalent to 0.957734 atm
Explanation:
The mass of the empty flask and stopper, m = 53.256 g
The volume of the unknown liquid she adds = 5 mL
The temperature of the water in which she heats up the flask = 98.8 °C = 371.95 K
The mass of the flask and the condensed vapor = 53.780 g
The volume of the flask, V = 231.1 mL
The atmospheric pressure, P = 728 mm Hg
a. We note that the student stoppers the flask after all the liquid has evaporated. Therefore, given that the flask was open to the atmospheric pressure as the liquid evaporates, the pressure of the vapor in the flask is equal to the prevailing atmospheric pressure, or 728 mmHg
Using a calculator, 728 mm Hg is equivalent to 0.957734 atm.
Your friend says, “chemical changes are caused by an input in energy. In physical changes, there is no transfer of energy” is your friend correct? Why or why not?
Answer: Your friend is incorrect.
Explanation: If we have an object or something that isn’t moving, (let’s say a notebook on a desk). If there is change, and the notebook moves, there is acceleration. Force = Mass times acceleration, f = m*a. There has to be a force, first of all. If you touched the notebook and moved it, some of your energy is transferred and now the notebook has kinetic energy. If our system is you and the notebook, the total energy doesn’t change. the energy is transferred, but doesn’t change. Your friend is not correct. Please give brainliest hope this helped!
PLEASE HELP ME ASAP!!!!!!!!!!!!!
How can water affect the rock cycle?
Water can cause rocks to break into sediments through mechanical weathering.
Water can cause rocks to be buried deep underground.
Water can cause rocks to melt.
Water can causer rocks to break into sediments through chemical weathering.
Answer:
b
Explanation:
b because it's a physical change
Bloc ate 1 craft craft had 3 crafts. How much crafts are there?
Help me pretty please
Answer:
The top answer
Why do silver and copper have similar properties?
(7th Grade science)
Answer:
They are both listed under group 11 on the periodic table and both are highly conductive of electricity
Explanation:
HOPE THIS HELPS ^^
please help me with this question
Answer:
Magnesium Hydroxide or Milk of Magnesia
Explanation:
The chemical sign for Magnesium is Mg, and OH automatically means Hydroxide.
URGENT!!! PLEASE HELP!!!
file:///home/chronos/u-83abb8ba8be89334c9d7433161c45cb8ec059a4c/MyFiles/Downloads/The_Strange_Case_of_Avogadro_Airlines.pdf
Answer:
what is your question sorry cause I don't trust hope you understandanymore feel free tell me your question you are struggling with l be glad to help you
Convert 544 Calories to Joule
Answer:
2276.1 Joules
Explanation
One calorie is equal to 4.184 Joules. So, 544 calories will be equal to 544*4.184=2276.1 Joules
Helppppppppppppppppppppppppppppppppppppp
Answer:
0.67moles
Explanation:
The balanced equation of the chemical reaction given in this question is:
N2 + 3H2 → 2NH3
According to this equation, 3 moles of hydrogen gas (H2) produces 2 moles of ammonia gas (NH3)
Therefore, 1 mole of hydrogen gas (H2) will produce;
= 1 × 2/3
= 2/3
= 0.6666
= 0.67moles of ammonia (NH3)
