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nadezda [96]
3 years ago
13

On a roller coaster, where is maximum kinetic energy I’ll mark the brainiest.

Chemistry
2 answers:
salantis [7]3 years ago
6 0

Answer: At the bottom of a big hill

Juliette [100K]3 years ago
4 0

Answer:

its the pink one I think

Explanation:

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True or false. test tubes, spot and/or well plate will be used to combine substances in bottles and form a reaction. group of an
tresset_1 [31]

Test tubes, spot and/or well plate will be used to combine substances in bottles and form a reaction is referred to a true statement.

<h3>What is a Chemical reaction?</h3>

This is the reaction which involves substances known as reactants combining new substances which are referred to as products. This is usually done in the laboratory and equipment and tools such as test tubes, thermometer etc are used.

Test tubes, spot and/or well plate are often used to combine substances in bottles and form a reaction which must be handled with care to ensure it doesn't spill.

This is therefore the reason why the option true was chosen as the most appropriate choice.

Read more about Chemical reaction here brainly.com/question/11231920

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4 0
2 years ago
A disadvantage of corporations is that shareholders have to pay blank on profits
amm1812

Answer;

Taxes

A disadvantage of corporations is that shareholders have to pay taxes on profits.

Explanation;

A corporation or public corporation is a form of business unit that is a legal entity, which in usually organized under the laws of a state, and whose investors or share holders purchase shares of stock as evidence of ownership in it.

One of the disadvantages of corporation is double taxation; A corporation may pay taxes on its income, after which the investors or the shareholders pay taxes on dividends earned, and therefore it means the income has been taxed twice.

8 0
3 years ago
Read 2 more answers
It is found that 250 ml of gas at stp has a mass of .675 g what is the molar mass
katrin2010 [14]

Answer:

61.3 g/mol  

Step-by-step explanation:

We can use the <em>Ideal Gas Law</em> to solve this problem:

       pV = nRT

Since n = m/M, the equation becomes

       pV = (m/M)RT     Multiply each side by M

    pVM = RT              Divide each side by RT

         M = (mRT)/(pV)

<em>Data: </em>

m = 0.675 g

R = 0.0.083 14 bar·L·K⁻¹mol⁻¹

T = 0 °C = 273.15 K

p = 1 bar

V = 250 mL = 0.250 L

<em>Calculation: </em>

M= (0.675 × 0.083 14 × 273.15)/(1 × 0.250)

M= 15.33/0.250

M= 61.3 g/mol

4 0
3 years ago
Which of the following is the best way to
AveGali [126]
Jsjsbdbd diskriminierendstem
8 0
2 years ago
An Erlenmeyer flask containing 20.0 mL of sulfuric acid of an unknown concentration was titrated with exactly 15.0 mL of 0.25 M
Bingel [31]

Answer:

The concentration of sulfuric acid in the flask is  M_{H_2SO_4}= 0.09375M

Explanation:

The number of moles is mathematically defined as

                     n = concentration * volume

  For the number of moles of NaOH substituting 15.0mL = 15 *10^{-3} L for volume and 0.25M for concentration we have

                        n_{NaOH} = 15 *10^{-3} * 0.25

                           = 0.00375\ moles

From the balanced equation we can that the number of moles of H_2S0_4 required for this reaction is

                   n_{H_2SO_4} = \frac{1}{2} * n_{NaOH}

                          = 0.5 *0.00375

                          = 0.001875 \ moles

Concentration is mathematically defined as            

               concentration = \frac{n}{volume}

Concentration of H_2SO_4  

                M_{H_2SO_4} =\frac{0.001875 }{20*10^{-3}}

                       M_{H_2SO_4}= 0.09375M

 

4 0
3 years ago
Read 2 more answers
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