Chemistry High School

What is the mass in grams of 10 moles of ammonia, NH3?
A.
?
1.7 grams
B.
?
27 grams
C. ?
170 grams
D
?
0.587 grams

Answers

Answer 1

Answer:

C. 170 g.

Explanation:

multiply given moles by the molar mass of ammonia.

Related Questions

________ is defined as average kinetic energy.
A. temperature
B. volume
C. heat
D. pressure

Answers

The answer is A. Temperature

what describes a property of all elements

Answers

Properties of an element are sometimes classed as either chemical or physical. ... Some properties of an element can be observed only in a collection of atoms or molecules of the element. These properties include color, density, melting point, boiling point, and thermal and electrical conductivity.

Which of these statements accurately describes monomers?

Monomers are macromolecules.
Monomers contain double bonds.
Monomers are made of repeating units.
Monomers contain bonds between metals.

Answers

Answer:

Monomers contain bonds between metals

Answer:

B: Monomers contain double bonds

Explanation:

I got it right on Edge

A coffee cup calorimeter contains 153.21 g of water at 22.50 °C. A 65.454 g piece of iron is heated to 101.62 °C. The piece of iron is added to the coffee cup caloriemter and the contents reach thermal equilibrium at 25.68 °C. The specific heat capacity of iron is 0.449 Jg·K and the specific heat capacity of water is 4.184 Jg·K. How much heat, , is lost by the piece of iron?

Answers

Answer:

Q = 2232J

Explanation:

In the system, the energy that is lost by the iron is:

Q = S*ΔT*m

Where Q is heat, S is specific heat of iron ΔT is change in temperature and m is mass of the piece of iron.

S = 0.449J/gK

ΔT = 101.62°C - 25.68°C = 75.94°C

m = 65.454g

Q = 0.449J/gK*75.94°C*65.454g

Q = 2232J

ANSWER THESE 5 MULTPLE CHOICE QUESTIONS!!!
I'LL GIVE 30 POINTS AND A BRAINIEST:)

Answers

Answer: 1, magnesium & mg

2, two energy shells

Explanation:

1 , mag shells a, d i hope this helped

help me please i need help cuz its due today

Answers

A is the answer because neither has an advantage meaning the forces are equal

Answer:

I believe the answer is a. I hope this helps

I NEED HELP RN 40 POINTS

Answers

Answer:

B.) Adding a source of carbon dioxide to the water.

Explanation:

I had that question too.

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