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Musya8 [376]
2 years ago
6

Calculate the following:[6.6 x

="10^{-2}" align="absmiddle" class="latex-formula">] - [6.6 x 10^{-3}]
Chemistry
1 answer:
anyanavicka [17]2 years ago
4 0
0.066-0.0069= 0.0591
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What is the mass of an atom that has 10 protons, 13 neutrons, and 10 electrons? 10 20 23 33?
zlopas [31]
It would be 23, s choice C. 
3 0
2 years ago
The radius of a potassium atom is 231 pm. How many potassium atoms would have to be laid side by side to span a distance of 4.77
Softa [21]
To determine the number of potassium laid side by side by a given distance, we simply divide the total distance to the diameter of each atom. The diameter is twice the radius of the atom. We calculate as follows:

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3 0
3 years ago
Read 2 more answers
635 mL of a gas is at a pressure of 8.00 atm. What is the volume of the gas at standard pressure (STP)?
Sveta_85 [38]

The new volume at standard temperature and pressure is 5.08 L.

Explanation:

As per the kinetic theory of gases, the volume occupied by gas molecules will be inversely proportional to the pressure of the gas molecules. This is termed as Boyle's law.

So, pressure∝\frac{1}{volume}

Thus, if two pressure and two volumes are given then,

P_{1} V_{1} = P_{2} V_{2}\\

Now, we known the values of P₁ = 8 atm, V₁ = 635 mL, P₂ = 1 atm and V₂ we have to determine. We are considering P₂ = 1 atm, because we have to determine V₂ at standard temperature and pressure. And standard pressure is 1 atm.

8*635*10^{-3}  = 1 *V{2} \\\\V_{2} = \frac{8*635*10^{-3} }{1} =   5.08 L

Thus, the new volume at standard temperature and pressure is 5.08 L.

5 0
3 years ago
WHAT IS THE ABILITY OF A SUBSTANCE TO BE DISSOLVED
siniylev [52]

Answer:

Solubility

Explanation:

8 0
3 years ago
How many liters are in 35 g of CO2?
aleksley [76]

Answer:

1.977 grams

At one atmosphere and 0 degrees C, the density of CO2 gas is 1.977 grams per liter. Multiply the volume, in liters, by 1.977 to get the number of grams of CO2.

Explanation:

i hope this may help

5 0
2 years ago
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