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nadezda [96]
3 years ago
13

Question 4

Chemistry
1 answer:
elixir [45]3 years ago
4 0

Answer:

True

Explanation:

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I need help with science pls help me
ryzh [129]

Answer:

Explanation:

6. When insulating materials rub against each other, they may become electrically charged .

7. Charging by conduction involves the contact of a charged object to a neutral object.

8. Grounding is the process of removing the excess charge on an object by means of the transfer of electrons between it and another object of substantial size.

9. Grounding is the process of removing the excess charge on an object by means of the transfer of electrons between it and another object of substantial size.

6 0
2 years ago
Is mixing salt and pepper physical change or chemical change ?
Rom4ik [11]
Yes mixing salt with pepper change
6 0
3 years ago
How many grams are in 4.00 moles of Cr2O3?
lisabon 2012 [21]

Answer:

607.9616 grams

Explanation:

Hope this helped!!

8 0
2 years ago
If a can of soup 150 g mass and 0.75g/ cm^3 density what’s the volume
Liula [17]

Answer:

<h3>The answer is 200 cm³</h3>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}\\

From the question

mass = 150 g

density = 0.75 g/cm³

We have

volume =  \frac{150}{0.75}  \\

We have the final answer as

<h3>200 cm³</h3>

Hope this helps you

8 0
3 years ago
Why is it important for a measurement system to have an international standard ?
Ray Of Light [21]

Answer:

Mark me brainliest

Explanation:

Standards help avoid confusion and ambiguity when taking measurements. For example, a meter will always be the same length, no matter who is taking the measurement or where it is being taken.

4 0
3 years ago
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