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2 years ago

Describe the relationship between the strength of a force on an object and the subsequent t change in velocity

Chemistry

1 answer:

denis23 [38]2 years ago

6 0

Answer:

Their relationship is direct

Explanation:

Change in velocity is the object's acceleration

Newton's Second Law states that:

F = ma, where m is mass and a is acceleration

So if a increases, then F also has to increase at the same rate as a, and vice versa.

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A solution has a pH of 11.8. What is the pOH?

amid [387]

Answer:

pOH is 2.2

Explanation:

The pH scale goes from 0 to 14. As such, the pH and the pOH add up to 14. Subtract your pH from 14 to get your answer.

14 - 11.8 = 2.2

5 0

3 years ago

Which property is characteristic of ionic but not of covalent compounds? 1. low boiling point 2. non-conductor of electricity in

otez555 [7]

Ionic and covalent bonds are both strong intermolecular forces. They are generally both crystalline in structure. But relatively speaking, ionic bonds are much stronger. As a consequence, they have inherent properties of higher boiling points, higher melting points, lower volatility, etc. Also, ionic bonds display conductive properties because they are strong electrolytes. <em>Thus, the answer is 5) higher melting points.</em>

5 0

3 years ago

What is the full number for 5.7x10^4

dsp73

Answer:

5.7*10^4 is equal to 57,000.

Explanation:

First, we must multiply 10 by its power, 4. That would be 10 4 times.

10*10*10*10 = 10,000.

Then, we multiply it by 5.7.

5.7*10,000 = 57,000.

Regards!

3 0

3 years ago

PLEASE HELP FOR THIS ASSIGNMENT

mars1129 [50]

<h2>Steps:</h2>

Remember that Density = mass/volume, or D = m/v

So firstly, we have to find the volume of the rock. To do this, we need to subtract the volume of water A from the volume of the water B. In this case:

Water A = 30 mL
Water B = 40 mL
40 mL - 30 mL = 10 mL

<u>The volume of the rock is 10 mL.</u>

Now that we have the volume, we can plug that and the density of the rock into the density equation to solve for the mass.

$3.678=\frac{m}{10}$

For this, multiply both sides by 10:

$36.78=m$

<h2>Answer:</h2>

<u>Rounding to the tenths place, the mass of the rock is 36.8 g, or C.</u>

6 0

3 years ago

I need help with both questions

a_sh-v [17]

Answer:

not sure about 6 but 7 should be c

Explanation:

6 0

3 years ago

Describe the relationship between the strength of a force on an object and the subsequent t change in velocity￼

Describe the relationship between the strength of a force on an object and the subsequent t change in velocity