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andre [41]
2 years ago
8

Please help and show work will be picking brainliest

Chemistry
1 answer:
mojhsa [17]2 years ago
6 0

Answer:

34x4v

Explanation:

ik it is write

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What is the mass of the steel block?
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190.2 grams

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Sample of gas initially occupies 4.25 L at a pressure of 0.850 atm at 23.0°C. What will the volume be if the temperature is chan
Aliun [14]

Answer:  2.34 L

Explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 0.850 atm

P_2 = final pressure of gas = 1.50 atm

V_1 = initial volume of gas = 4.25 L

V_2 = final volume of gas = ?

T_1 = initial temperature of gas = 23.0^oC=273+23.0=293.0K

T_2 = final temperature of gas = 11.5^oC=273+11.5=284.5K

Now put all the given values in the above equation, we get:

\frac{0.850\times 4.25}{293.0K}=\frac{1.50\times V_2}{284.5}

V_2=2.34L

Thus the final volume will be 2.34 L

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What is the results when the following are subjected to the feeling’s test and why?
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Answer:

See below.

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Reducing sugars have a free aldehyde or ketone group   whereas non-reducing sugars do not.

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