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bagirrra123 [75]
3 years ago
12

How much momentum does a 2000kg elephant have that is charging at 11m/s

Chemistry
1 answer:
Novay_Z [31]3 years ago
6 0

Answer:

P = 22000 kg. m/s

Explanation:

Given data;

Mass of elephant = 2000 Kg

Velocity = 11 m/s

Momentum = ?

Solution:

Momentum is the product of mass and velocity of an object.

It can be calculated from given formula:

P = mv

P = momentum

m = mass

v = velocity

Now we will put the values in formula.

P = 2000 Kg × 11 m/s

P = 22000 kg. m/s

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What do lightning and stars have in common?
irina1246 [14]

2... one though it is true is not very strong

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4 0
3 years ago
What is the answer to this?
beks73 [17]

Answer:

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8 0
3 years ago
Write a method that could be used to produce pure crystals of copper chloride from copper oxide and hydrochloric acid.
joja [24]

- Describe how you would make the salt from the reactants.

CuO + 2 HCl → CuCl₂ + H₂O

- Describe how you would purify the salt from the reaction mixture.

Filter the solution and let the product crystallize.

Explanation:

The reaction between copper oxide (CuO) and hydrochloric acid (HCl) will produce copper chloride (CuCl₂) and water:

CuO + 2 HCl → CuCl₂ + H₂O

-Describe how you would make the salt from the reactants

In a beaker which contain cooper oxide add the hydrochloric acid. To avoid working with concentrated hydrochloric acid, the acid may be diluted with water but make sure the add the stoechiometric amount (and a little bit of excess) in respect with the copper oxide.

-Describe how you would purify the salt from the reaction mixture.

Let the reaction proceed and then filter the solution to remove the unreacted cooper oxide.

Let the filtered solution, which contain copper chloride, water and unreacted hydrochloric acid, to stand undisturbed for several days. You may see the crystals growing from the solution. To speed up the process you may reduce the temperature.

Learn more about:

purifying compounds

brainly.com/question/5586971

brainly.com/question/4757187

#learnwithBrainly

3 0
3 years ago
Which scenario would result in a population growth of zero? Use this formula: population growth = (birth rate + immigration) – (
swat32

Answer:

12 individuals are born 10 individuals emigrate, 4 individuals die, 14 individuals immigrate, 0 individuals are born

Explanation:

From the formula:

Population growth = (birth rate + immigration) – (death rate + emigration)

                       = (b + i) - (d + e)

<em>For the first option, b = 12, i = 0, d = 12, e = 12</em>

population growth = (12+0) - (12+12) = -12

<em>For the second option: b = 13, i = 0, d = 3, e = 16</em>

population growth = (13+0) - (3+16) = -6

<em>For the third option: b = 12, i = 20, d = 0, e = 8</em>

population growth = (12+20) - (0+8) = 24

<em>For the last option: b = 0, i = 14, d = 4, e = 10</em>

population growth = (0+14) - (4+10) = 0

Hence, the last option is the correct option.

8 0
3 years ago
Read 2 more answers
How many moles are in 35.0 grams of H₂O?
Nikitich [7]
1.94 moles


I did 35/18.02 because 18.02 is the molar mass of water
3 0
3 years ago
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