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Vadim26 [7]
3 years ago
14

Which of the following statements of kinetic molecular therapy explains the compresssbilty of gases compared to liquids and solu

ds
Chemistry
1 answer:
valkas [14]3 years ago
7 0

Answer:

Search on google

Explanation:

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Santiago's car has an overall average speed of 25 cm/s. If he could increase his car's overall average speed by 10%, what would
Evgen [1.6K]

Given:

The overall average speed = 25 cm/s.

The overall average speed increased by 10%.

To find:

The new overall average speed.

Solution:

We have,

Overall average speed = 25 cm/s.

The overall average speed increased by 10%. So, the new average speed is

New overall average speed = Initial average speed + 10% of initial  overall average speed

\text{New overall average speed}=25+\dfrac{10}{100}\times 25

\text{New overall average speed}=25+2.5

\text{New overall average speed}=27.5

Therefore, the new overall average speed is 27.5 cm/s.

3 0
2 years ago
How can you measure the volume of an irregular shaped solid?
Archy [21]
If the object has an irregular shape, the volume can be measured using a displacement can. The displacement can is filled with water above a narrow spout and allowed to drain until the water is level with the tap. As the irregular object is lowered into the displacement can, the water level rises.
7 0
3 years ago
Which atomic model propose that electrons move in specific orbits around the nucleus of an atom
tamaranim1 [39]

Answer: Bohr's

Explanation:

5 0
2 years ago
Aluminum metal reacts with bromine, a red-brown liquid with a noxious odor. The reaction is vigorous and produces aluminum bromi
GuDViN [60]

<u>Answer:</u> The mass of bromine reacted is 160.6 grams.

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}        .....(1)

Given mass of aluminium = 18.1 g

Molar mass of aluminium = 27 g/mol

Putting values in equation 1, we get:

\text{Moles of aluminium}=\frac{18.1g}{27g/mol}=0.670mol

The chemical equation for the reaction of aluminium and bromide follows:

2Al+3Br_2\rightarrow 2AlBr_3

By Stoichiometry of the reaction:

2 moles of aluminium reacts with 3 moles of bromine gas

So, 0.670 moles of aluminium will react with = \frac{3}{2}\times 0.670=1.005mol of bromine gas.

Now, calculating the mass of bromine gas, we use equation 1:

Moles of bromine gas = 1.005 moles

Molar mass of bromine gas = 159.81 g/mol

Putting values in equation 1, we get:

1.005mol=\frac{\text{Mass of bromine}}{159.81g/mol}\\\\\text{Mass of bromine}=(1.005mol\times 159.81g/mol)=160.6g

Hence, the mass of bromine reacted is 160.6 grams.

5 0
2 years ago
Why should scietist as questions
larisa86 [58]

Answer:

So they have the right answers

Explanation:

I know

7 0
3 years ago
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