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natali 33 [55]
3 years ago
15

What kind of scientist would study the the first of a car running

Chemistry
1 answer:
iVinArrow [24]3 years ago
7 0

Answer:

A physicist

Explanation:

hope this will help you

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How many moles of NaCI are there in 1.14*1024 in particles?
ExtremeBDS [4]
By  use  of  avogadros   law  which  state   that  equal  volume  of   gas  at the  same  pressure  and  volume have  the  same  number of  molecules.  The  avogadros  constant  =  6.023  x10^23   for  1   moles   what  about  1.14  x  10^24
 = 1.14  x  10 ^24  /  6.023  x 10^23=1.893moles
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3 years ago
What is the balanced equation for solid ammonium nitrate (NH4NO3) decomposes explosively to form nitrogen gas, oxygen gas, and w
Karolina [17]

Answer:

2NH4NO3 —> 2N2 + O2 + 4H2O

Explanation:

We begin by writing the skeletal equation as shown below:

NH4NO3 —> N2 + O2 + H2O

The equation can be balance as follow:

There are 4 atoms of H on the left side of the equation and 2 atoms on the right side. It can be balance by putting 2 in front of H2O as shown below:

NH4NO3 —> N2 + O2 + 2H2O

Now we have a total of 4 atoms of O on the left side and 3 atoms on the right side. It can be balance by putting 1/2 in front of O2 as shown below:

NH4NO3 —> N2 + 1/2O2 + 2H2O

Now, multiply through by 2 to clear the fraction as shown below

2NH4NO3 —> 2N2 + O2 + 4H2O

Now the equation is balanced

3 0
3 years ago
How is the number 3.91 x 10-4 expressed in regular numbers?
Semenov [28]

To convert a number without the use of the expression 10^-4 you would have to treat it like an integer line for instance on an integer line the negative is to the left and the positive number is to the right so 3.91*10^-4 means that the decimal would have to move 4 places to the left so the answer would be .000391 instead of 3.91*10^-4.


I hope this helps you :)

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Water is a compound. A compound is made up of two or more elements. In the case of water, or H2O, there are 2 hydrogen atoms present and 1 oxygen atom. I hope this helps you on your assignment. Good luck!
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4 years ago
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