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In-s [12.5K]
3 years ago
12

Find electron proton and neutron for 17cl​

Chemistry
1 answer:
Ierofanga [76]3 years ago
3 0

Answer:

Electron= 17

Proton= 17

Neutron= 35 -17

=18

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A balloon contains 3300 mL of helium gas at 63 °C. What is the final volume, in milliliters, of the gas when the temperature cha
Nesterboy [21]

The final volume : 3.4 L

<h3>Further explanation</h3>

Charles's Law  

When the gas pressure is kept constant, the gas volume is proportional to the temperature  

\tt \dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}

V₁=3300 ml

T₁=63 + 273=336 K

T₂=78+273=351 K

the final volume :

\tt V_2=\dfrac{V_1.T_2}{T_1}\\\\V_2=\dfrac{3300\times 351}{336}\\\\V_2=3447.3~ml\rightarrow 2~sig.~fig.\rightarrow 3.4~L

8 0
3 years ago
g Identify the process in which the entropy increases. Group of answer choices a decrease in the number of moles of a gas during
liraira [26]

Answer:

phase transition from a solid to a gas

Explanation:

Entropy refers to the degree of disorderliness in a system. The more disorderly a system is, the greater the entropy of the system.

Decrease in the number of moles of a gas decreases the entropy of the system. Similarly, the entropy of solids is less than that of liquids. The entropy of liquids is less than that of gases.

Therefore, a change of phase from solid to gas represents an increase in entropy of the system.

7 0
3 years ago
As a technician in a large pharmaceutical research firm, you need to produce 300. mL of 1.00 M a phosphate buffer solution of pH
tamaranim1 [39]

Answer:  pH = 7.36. The pKa of H2PO4− is 7.21.

Explanation:

4 0
4 years ago
Hydrogen and helium cannot condense to gas at temperatures above water's freezing point. when planets would be made of gas?
kodGreya [7K]

Answer:

no.

Explanation:

only one planet would be made gas

is earth. and for what you mean like when

planet would be made of gas my answer is no

because theirs so gravity but im not the one

who's deciding and god is the one who's deciding

if when is the other planet having a gas

i know im wrong

8 0
3 years ago
You push on an object with an applied force. What is the "reaction" force to your push?
Yuri [45]

Answer:

1. The object is moving forward.

Explanation:

5 0
3 years ago
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