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3 years ago

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All the following process lead to a decrease in salinity of seawater except for A. melting of sea Ice B. Precipitation C. runoff

D. evaporation

1 answer:

Elenna [48]3 years ago

8 0

Evaporation is the only

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As methane burns, it reacts with oxygen and forms carbon dioxide and water. The balanced chemical equation below models this che

Elan Coil [88]

Explanation:

hope this helps please like and mark as brainliest

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3 years ago

at atmoshperic pressure, a balloon contains 2.00L of nitrogen of gas. How would the volume change if the Kelvin temperature were

Nataly [62]

<u>Answer:</u> The percent change in volume will be 25 %

<u>Explanation:</u>

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

Mathematically,

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

where,

$V_1\text{ and }T_1$ are the initial volume and temperature of the gas.

$V_2\text{ and }T_2$ are the final volume and temperature of the gas.

We are given:

$V_1=2L\\T_1=T_1\\V_2=?\\T_2=75\% \text{ of }T_1=0.75\times T_1$

Putting values in above equation, we get:

$\frac{2L}{T_1}=\frac{V_2}{0.75\times T_1}\\\\V_2=\frac{2\times 0.75\times T_1}{T_1}=1.5L$

Percent change of volume = $\frac{\text{Change in volume}}{\text{Initial volume}}\times 100$

Percent change of volume = $\frac{(2-1.5)}{2}\times 100=25\%$

Hence, the percent change in volume will be 25 %

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3 years ago

Describe the differences between bonding in an ionic compound and bonding in a covalent molecule.

Fudgin [204]

a covalent bond and an ionic bond. An ionic bond if formed from the transfer of electrons from the outer shell of atoms. ... An example of this is NaCl, where the sodium atom becomes Na+ due to the loss of electrons, and the chlorine atom becomes the negatively charged chloride (Cl-).

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3 years ago

What is the most common substance found in natural gas

kifflom [539]

Methane composes most of the natural gas.

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3 years ago

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6. Which part leads the blood to the heart?

Dmitriy789 [7]

Answer:

Your answer should be D

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2 years ago

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