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dusya [7]
2 years ago
15

12. Why does a water molecule have a bent shape?

Chemistry
1 answer:
Andrej [43]2 years ago
4 0

Answer:

A water molecule consists of two hydrogen atoms bonded to an oxygen atom, and its overall structure is bent. This is because the oxygen atom, in addition to forming bonds with the hydrogen atoms, also carries two pairs of unshared electrons. All of the electron pairs—shared and unshared—repel each other.

Explanation:

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If a given solution contains 3.55 mol of calcium hydroxide, and the solution as a molarity of 0.667 M, what is the volume of the
Alexus [3.1K]

Answer:

Volume in L = 5.3 L

Explanation:

Given data:

Number of moles of calcium hydroxide = 3.55 mol

Molarity of solution = 0.667 M

Volume of solution = ?

Solution:

Formula:

Molarity = number of moles / volume in L

By putting values,

0.667 M = 3.55 mol / volume in L

Volume in L = 3.55 mol / 0.667 M

Volume in L = 5.3 L

8 0
3 years ago
Determine the volume of a substance that has a density of 1.84 g/ml and a mass of 12 grams
vazorg [7]
Hey there!:

density = mass / volume

1.84 g/mL =  12 g / V

V =  12 / 1.84

V = 6.521 mL

hope this helps!
             
5 0
3 years ago
The longest continuous chain of carbons is called the ______________.2. An organic compound containing only hydrogen and carbon
saveliy_v [14]

1: parent alkane.

2: polymers

3: idk

4: alkynes

5: its either n-butane or isobutane

6: saturated hydrocarbons

7: i'm not sure but I think it's Lewis Dot Structure and Polarity. ... Benzene

8: Idk

9: I'm not sure either

Hope this helps! :)

5 0
4 years ago
What is the cost of coal in dollars per ton if it costs $0.04 per kilogram?
Anettt [7]

Answer:

36.2874 $

Explanation:

1 ton = 907.185 kilograms.

907.185 x 0.04 =

36.2874

<em>-kiniwih426</em>

8 0
3 years ago
If I have 7.5 L of a gas in a piston at a pressure of 1.75 atm and compress the gas until its volume is 3.7 L, what will the new
Sergio [31]

Answer:

3.55atm

Explanation:

We will apply Boyle's law formula in solving this problem.

P1V1 = P2V2

And with values given in the question

P1=initial pressure of gas = 1.75atm

V1=initial volume of gas =7.5L

P2=final pressure of gas inside new piston in atm

V2=final volume of gas = 3.7L

We need to find the final pressure

From the equation, P1V1 = P2V2,

We make P2 subject

P2 = (P1V1) / V2

P2 = (1.75×7.5)/3.7

P2=3.55atm

Therefore, the new pressure inside the piston is 3.55atm

7 0
4 years ago
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