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babymother [125]
3 years ago
15

The overall force acting on an object after all the forces are combined is _________ force?

Chemistry
1 answer:
victus00 [196]3 years ago
7 0

Answer:

Hi... Your answer is total force

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Please help me I really need this done
alexira [117]

Answer is 2

4Fe + 3O2 –> 2Fe2O3

5 0
3 years ago
A person walking covers 5.20 m in 10.4 s. How fast is the person moving?
salantis [7]

Answer:

<h2>0.50 m/s</h2><h2></h2>

Explanation:

Velocity = distance over time

where distance = 5.20 m

                   time = 10.4 s.

velocity = <u>  5.20  m </u>

                  10.4 s.

            = 0.50 m/s  

8 0
3 years ago
Which statement best describes a mole ?
pentagon [3]
<span>
It contains 6.02 mc001-1.jpg 1023 grams of sodium chloride.

It is the mass of 12 carbon atoms.

It contains 6.02 mc001-2.jpg 1023 particles of a given substance.</span>
5 0
4 years ago
Read 2 more answers
What is the strongest base that is present after methyl magnesium bromide (CH3MgBr) is treated with water?
sergeinik [125]

Answer:

Explanation:Explanation:the nucleophile attack hydrogen on water causing the single to be unstable as a result of CH4 formation plus OH

Download pdf
7 0
3 years ago
Calculate the answer to the following expression to the correct number of significant figures.
lilavasa [31]

Answer :  The answer will be \Rightarrow 2\times 10^{13}

Explanation :

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

The rule apply for the multiplication and division is :

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.

As we are given the expression :

\frac{4\times 10^8}{2.0\times 10^{-5}}

\Rightarrow 2\times 10^{13}

In the given expression, 4\times 10^8 has 1 significant figure and 2.0\times 10^{-5} has 2 significant figures. From this we conclude that 1 is the least significant figures in this problem. So, the answer should be in 1 significant figures.

Thus, the answer will be \Rightarrow 2\times 10^{13}

8 0
3 years ago
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