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Scorpion4ik [409]
4 years ago
14

Help please for chemistry class

Chemistry
1 answer:
IRISSAK [1]4 years ago
3 0

Answer:

option c is correct

Explanation:

the addition of catalyst does not effect the position or equilibrium constant and increase the forward and backward reaction in equal rates so no effect would be observed

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a solution contains 29.1g per litre of aluminium sulphate.calculate the number ofsulphate ions in 350cm^3 of the solution(Al=27,
JulijaS [17]

Answer:

it is 0.24 M

Explanation

Find the molarity of all ions in a solution that contains 0.165 moles of aluminum chloride in 820. ml solution. " Answer: [Al 3+1= 0.201 M. (CI) = 0.603M. ... 2) Find the molartiy  of each ion present after mixing 27 ml of 0.25 M HNO3 with 36 ml of ... of each ion and the mass of any precipitate when a 0.300 mole of aluminum.

8 0
3 years ago
Suppose you need 7.5m of Grade 70 tow chain, which has a diameter of /38" and weighs 2.16/kgm, to tow a car. How would you calcu
lutik1710 [3]

The mass of this much chain is 0.22 grams for  7.5m of Grade 70 tow chain, which has a diameter of /38" and weighs 2.16/kgm, to tow a car.

<h3>What are weight and mass?</h3>

Mass is the amount of the substance and object and the weight is the gravitational force required to act upon the particular mass of the substance.

To calculate the mass of car divide the wight to the gravity value 9.8 meter per second.

                 mass = weight / gravity

substituting the value,  

                     mass = 2.16 / 9.8

                     mass = 0.22 grams

Therefore,7.5m of Grade 70 tow chain, which has a diameter of /38" and weighs 2.16/kgm, to tow a car the mass will be 0.22 grams.

               

Learn more about weight and mass, here:

brainly.com/question/28122305

#SPJ1

8 0
2 years ago
Which is TRUE of the reactants in this displacement reaction? Fe + 2HCl FeCl2 + H2
artcher [175]

A. The reactants are located to the left of the arrow in the chemical equation

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4 years ago
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kipiarov [429]

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The cards (matter) can be rearranged constantly, placed with others, the total or resent amount remains constant.

Explanation:

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3 years ago
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What do the elements in the oxygen family (Group 16) have in common?
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