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3 years ago

14 someone help ASAP

Chemistry

1 answer:

levacccp [35]3 years ago

5 0

D. the activation energy is the displacement of energy needed for the reaction, so the distance underneath the maximum point

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What is the mass of 0.560 mole of aspirin C9H8O4

Eduardwww [97]

To find mass we use the formula Mass = moles x RFM: Mass = 0.560 x 180 = 100.8g of C₉H₈O₄

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4 years ago

3. All the deer in Horry County represent which of the following?

klemol [59]

Answer:

community

Explanation:

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3 years ago

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Science:my chosen place is bonifacio global city i choose this place because?

FrozenT [24]

Answer:

Rewrite the following sentence in reported speech

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3 years ago

Add a temperature of -33.0 Celsius a sample of a confirmed gas eggs or to pressure of 0.5 to 6 ATM if it's volume remains consta

Levart [38]

Answer: The final temperature of the gas is -220.6°C

Explanation:

To calculate the final temperature of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

$\frac{P_1}{T_1}=\frac{P_2}{T_2}$

where,

$P_1\text{ and }T_1$ are the initial pressure and temperature of the gas.

$P_2\text{ and }T_2$ are the final pressure and temperature of the gas.

We are given:

$P_1=6atm\\T_1=-33^oC=[273-33]K=240K\\P_2=1.31atm\\T_2=?$

Putting values in above equation, we get:

$\frac{6atm}{240K}=\frac{1.31atm}{T_2}\\\\T_2=\frac{1.31\times 240}{6}=52.4K$

Converting the temperature from kelvins to degree Celsius, by using the conversion factor:

$T(K)=T(^oC)+273$

$52.4=T(^oC)+273\\\\T(^oC)=-220.6^oC$

Hence, the final temperature of the gas is -220.6°C

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4 years ago

Give the volume indicated. Be sure to include all significant figures.

miskamm [114]

Answer: -

Explanation: -

From the diagram, we see that volume goes from 70 to 75 in 5 markings.

Each marking is for 1.

It is the most accuracy possible as there is no smaller marking.

Significant figures expresses the required amount of accuracy.

Thus the volume indicated from the diagram is 71 .

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3 years ago

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