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Lostsunrise [7]
2 years ago
12

How many moles are present in 2.7 liters of Argon gas at STP?

Chemistry
1 answer:
Neko [114]2 years ago
4 0

6.9 cause argon is a proactive system that can be sick

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What is the formula of the ion formed when tin achieves a stable electron configuration?
Katarina [22]

Answer:

Option D which is Sn4- is the answer

4 0
3 years ago
How many molecules are in 69 grams of Na?
12345 [234]
Molar mass Na = 23.0 g/mol

1 mol ---- 23.0 g
n mol ---- 69 g

n = 69 / 23.0

n = 3.0 moles

1 mole -------- 6.02x10²³ molecules
3.0 moles ---- ?

3.0 *  6.02x10²³ / 1

= 1.806x10²⁴ molecules

hope this helps!




7 0
3 years ago
How many joules would be absorbed for the water in Problem 1
9966 [12]

Answer:

5000 cal X 4.184 J/cal =

Explanation:

20,920 jules

8 0
3 years ago
Acetone is the main chemical in nail polish and has a density of 0.7857 g/mL. What is the volume of 6.54g of acetone ?
trapecia [35]

8.3mL

Explanation:

Given parameters:

Mass of acetone = 6.54g

Density of acetone = 0.7857 g/mL

Unknown:

Volume of acetone = ?

Solution:

Density is defined as the mass per unit volume of a substance. It is expressed mathematically as shown below:

  Density = \frac{Mass}{Volume}

Since the unknown is volume, we make it the subject of the formula

Volume =  \frac{mass}{density}

Input the values;

  Volume = \frac{6.54}{0.7857} = 8.3mL

learn more:

Volume brainly.com/question/2690299

#learnwithBrainly

5 0
3 years ago
According to this balanced equation, how many grams of water (H.0) form in
miskamm [114]

Answer:

your simpal answer is 177.32

8 0
3 years ago
Read 2 more answers
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