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kakasveta [241]
2 years ago
9

What question could be asked to help determine whether the solar system is heliocentric or geocentric?

Chemistry
1 answer:
Alex_Xolod [135]2 years ago
3 0
C because of the planets that Chablé and focus of them
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1. The solubility of AgNO3 at 20°C is 222.0g AgNO3/100g H2O. What mass of AgNO3 can be dissolved in 250 g of water at 20°C? Reca
neonofarm [45]

Answer :

(1) The mass of silver nitrate is, 555 g

(2) The solubility of the gas will be, 0.433 g/L

<u>Solution for Part 1 :</u>

From the given data we conclude that

In 100 gram of water, the amount of silver nitrate = 222 g

In 250 gram of water, the amount of silver nitrate = \frac{222}{100}\times 250=555g

Therefore, the mass of silver nitrate is, 555 g

<u>Solution for Part 2 :</u>

Formula used : S_1P_1=S_2P_2     (at constant temperature)

where,

S_1 = initial solubility of methane gas = 0.026 g/L

S_2 = final solubility of methane gas

P_1 = initial pressure of methane gas = 1 atm

P_2 = final pressure of methane gas = 0.06 atm

Now put all the given values in the above formula, we get the solubility of methane gas.

(0.026g/L)\times (1atm)=S_2\times (0.06atm)

S_2=0.433g/L

Therefore, the solubility of the gas will be, 0.433 g/L

5 0
3 years ago
La fórmula correcta del óxido salino de estaño es: *
BaLLatris [955]
No hao luh cub chi wuh
3 0
2 years ago
Which element has higher ionization energy? chlorine or carbon
PtichkaEL [24]

Answer:

chlorine has higher ionization than carbon

Explanation:

Chlorine is only one row below carbon, but it is three columns to the right in this case the IP of chlorine would be predicted to be greater than the IP of carbon.

3 0
3 years ago
Which period does this atom belong to?
GrogVix [38]
I think it’s to long to fit in a period??
7 0
2 years ago
What is the protons role in the atom?
Novosadov [1.4K]
The protons inside an atoms nucleus help bind the nucleus together. They also attract the negatively charged electons
7 0
3 years ago
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