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4 years ago

What type(s) of intermolecular forces are expected between nocl molecules?

1 answer:

4 0

If you draw or search for the molecular geometry of NOCl, you would know that it has a bent shape. This bent shape is a characteristic of a polar molecule. The dominant intermolecular forces for polar compounds is the <em>dipole-dipole force</em>.

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If we wish to prepare 250. mL of 0.200 M BaCl2 solution, how much solid BaCl2 is needed?

n200080 [17]

Answer:

10.4g

Explanation are in the Picture

8 0

3 years ago

Some sugar is added to cold water in a beaker.

attashe74 [19]

i) diffusion, concentration differences in gas and fluid disappears when particles of sugar are evenly spread in solution

ii) Heating the solution, mixing the solution

b) Distillation, solution is heated until water is vaporized and water vapour condenses in another part of apparatus.

5 0

3 years ago

PLZ HELP!!!! NO LINKS<br>

Svetradugi [14.3K]

Answer:

the answer would be 6.720

Simply subtract the combined mass by the mass of the beaker.

The answer has 3 decimal places because the least amount of decimal places in the equation is 3.

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3 years ago

calculate the amount of H2O2:Using the balanced equation, calculate the number of moles of H2O2present in the initial solution.

arlik [135]

Answer: molar mass of H2O2 = 34 g/mol

mass of H2O2 = 68 grams

Explanation:

The decomposition reaction of Hydrogen peroxide (H2O2) is:

2 H2O2 → 2 H2O + O

According to the equation the numbers of moles of H2O2 is 2 moles.

The molar mass of H2O2 = ( 16×2) + (1x2)

32 + 2 = 34 g/mol

∵ atomic mass of oxygen is 16 and hydrogen is 1.

Now, mole= $\frac{mass-in-gram }{molar mass}$

putting values

2= $\frac{mass}{34}$

mass of H2O2 = 2 × 34 = 68 grams

4 0

3 years ago

Something that is made out of natural resources for human use is called

Viktor [21]

Answer: Man Made Resources?

Explanation: Its when humans create their own things.

8 0

3 years ago