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hammer [34]
2 years ago
7

Convert the answer from #7 to kg. Use the correct significant figures.

Chemistry
1 answer:
kogti [31]2 years ago
7 0

Answer:

Socratic app

Explanation:

it will help you

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Is 3Al + 3FeO → 2Al2O3 + 3Fe a balenced or unbalenced equation?
Murrr4er [49]
3f+5=eo got it right
8 0
3 years ago
Consider the decomposition of hydrogen peroxide reaction. If the rate of decomposition of hydrogen peroxide at a particular temp
Natasha2012 [34]

Answer:

0.049 mol/L.s

Explanation:

The decomposition of hydrogen peroxide is:

H_2O_2 \to H_2O + \dfrac{1}{2}O_2

Rate = -\dfrac{\Delta [H_2O_2]}{\Delta t}= \dfrac{\Delta [H_2O_2]}{\Delta t}= \dfrac{ 2  \Delta [H_2O_2]}{\Delta t}

The rate of decomposition reaction = the rate of formation of H_2O = 0.098 mol/L.s

∴

Rate of formation of O_2 = \dfrac{ rate \ of \ reaction }{2}

= \dfrac{ 0.098 }{2}

= 0.049 mol/L.s

8 0
3 years ago
Number 72 I need help
Mashutka [201]
A. Cs - 55 electrons, 55 protons, 77 neutrons
B. Co - 27 electrons, 22 protons, 32 neutrons
C. Tm - 69 electrons, 69 protons, 94 neutrons
D. Zn - 30 electrons, 30 protons, 40 neutrons

For any neutral atom, protons = electrons = atomic number. Neutrons = atomic mass - atomic number.
7 0
4 years ago
Draw and use algebra tiles to solve the equation. 2x + 3 = 5 x =
Nadusha1986 [10]

Answer:

1 is the correct answer:)

Subtract 

3

33

 from both sides of the equation

2+3=5

Simplify

Subtract 

5

5x5x

 from both sides of the equation

Simplify

Divide both sides of the equation by the same term

Simplify

than you will have 1.

4 0
3 years ago
Read 2 more answers
Differentiate between speed and velocity
Leokris [45]

Explanation:

Speed and velocity are both used to describe the motion of a body. But there are differences between the two terms.

  • Velocity is the rate of change of displacement with time. It is mathematically expressed below:

                      Velocity = \frac{displacement}{time taken}

 The unit of velocity is m/s or km/hr.

Velocity is a vector quantity that shows magnitude and direction.

  • Speed is the rate of change of distance with time. It is concerned with the total length of path a body moves.

                  Speed = \frac{Distance }{time taken}

  It has the same unit as velocity

It is a scalar quantity that has only magnitude.

learn more:

Velocity brainly.com/question/10883914

#learnwithBrainly

7 0
4 years ago
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