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3 years ago

6. The oxidizing agent for the following reaction below is..Al + Mn07 - Al(OH)2 + MnO2

Chemistry

1 answer:

prisoha [69]3 years ago

4 0

Think of the acronym LEO says GER: losing electrons is oxidation, gaining electrons is reduction.

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A research balloon at ground level contains 12 L of helium (He) at a pressure of 725mmHg and a temperature of 30.00∘C. When the

Helga [31]

Answer: The temperature when the volume and pressure has changed is -27.26°C

Explanation:

To calculate the temperature when pressure and volume has changed, we use the equation given by combined gas law. The equation follows:

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

where,

$P_1,V_1\text{ and }T_1$ are the initial pressure, volume and temperature of the gas

$P_2,V_2\text{ and }T_2$ are the final pressure, volume and temperature of the gas

We are given:

$P_1=725mmHg\\V_1=12L\\T_1=30.00^oC=[30+273]K=303K\\P_2=252mmHg\\V_2=28L\\T_2=?K$

Putting values in above equation, we get:

$\frac{725mmHg\times 12L}{303K}=\frac{252mmHg\times 28L}{T_2}\\\\T_2=\frac{252\times 28\times 303}{725\times 12}=245.74K$

Converting this into degree Celsius, we get:

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

$245.74=T(^oC)+273\\T(^oC)=-27.26^oC$

Hence, the temperature when the volume and pressure has changed is -27.26°C

5 0

3 years ago

Help please I have 10 min.

Arisa [49]

Type in chemistry calculator and type it in get the answers now u good you will never fail for chemistry again

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3 years ago

Consider 55 mL of water (H2O) in a beaker and 55 mL of acetone |(CHs)2CO in an identical beaker under identical conditions Compl

Zepler [3.9K]

Answer:

1. more slowly than

2. larger than

3. weaker

Explanation:

Acetone molecules are bonded by very weak intermolecular forces when compared to that of the hydrogen bond between water molecules. This makes it very easy for acetone molecules to vaporize easily into its gaseous state, much more faster than water molecules (since the acetone molecules need a lesser amount of energy to break these bonds). Also, the boiling point of liquid acetone is much lower than that of water, meaning that it has a higher vapor pressure than that of water.

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3 years ago

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Firlakuza [10]

A 1 molar solution is the molecular weight in grams in 1 litre of water, so a 3.5 molar solution would be 58.44g multiplied by 3.5, which is 204.54g in 1L.

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WARRIOR [948]

Answer:

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4 years ago

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6. The oxidizing agent for the following reaction below is..Al + Mn07 - Al(OH)2 + MnO2​

6. The oxidizing agent for the following reaction below is..Al + Mn07 - Al(OH)2 + MnO2