What is the volume occupied by 2.00 moles of Ar(g) at STP? Another one I am stuck on...please help!

1 answer:

3 0

Our only unknown is the volume of H2(g) . Our known variables are P,n,R, and T. At STP, the temperature is 273K and the pressure is 1 atm. Rearrange the equation to solve for V: n×R×TP. V=2.20mol ×0.0821L×atm mol×K ×273K 1atm. V=49.3L

You might be interested in

What is the charge on an ion that contains 16 protons and 18 electrons?

Alika [10]

16-18= -2 so it has a negative charge. Just subtract the electrons from the protons if you get a positive number it will have a positive charge and vice versa.

6 0

2 years ago

How many moles of aspartame are present in 1.00 mg of aspartame?

Diano4ka-milaya [45]

Answer:- There are $3.40*10^-^6$ moles.

Solution:- It is a unit conversion problem where we are asked to convert mg of aspartame to moles. Aspartame is $C_1_4H_1_8N_2O_5$ and it's molar mass is 294.31 grams per mole.

mg are converted to grams and then the grams are converted to moles as:

$1.00mg Aspartame(\frac{1g}{1000mg})(\frac{1mole}{294.31g})$

= $3.40*10^-^6$ moles of aspartame

So, there would be $3.40*10^-^6$ moles of aspartame in 1.00 mg of it.

3 0

3 years ago

True or false? Kinetic energy depends only on an object’s speed and velocity. Help!

AlekseyPX

False, kinetic energy depends on an objects mass and speed

8 0

2 years ago

Read 2 more answers

Which of the following methods can be used to identify the suspected use of heat lamps in a house without entering the house?

LuckyWell [14K]

Answer:

b I see some of ask you to do it

7 0

2 years ago

Name the salt used in plastering the fractured bone

Eddi Din [679]

Answer: Calcium Sulphate Hemihydrate

The compound of calcium which is used for plastering of fractured bones is Plaster of Paris. It is also called as Calcium Sulphate Hemihydrate.

3 0

2 years ago