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Vikentia [17]
4 years ago
11

What are some good problem statements​

Chemistry
1 answer:
Crazy boy [7]4 years ago
8 0

Answer:

What is the problem?

Who has the problem?

Where does the problem occur?

When does the problem occur?

How often does the problem occur?

What causes the problem?

What does the problem impact?

Explanation:

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If 146.5 g of chromium(lll) chlorate decomposes, what mass of oxygen can be produced?
Vinil7 [7]

Answer:

The Equation for this reaction is as follow,

                               2 Cr(ClO₃)₃    →    2 CrCl₃  +  9 O₂

According to eq,

      604.68 g (2mole) of Cr(ClO₃)₃ produces  =  288 g (9 moles) of O₂

So,

                 146.5 g of Cr(ClO₃)₃ will produce  =  X g of O₂

Solving for X,

                             X  = (146.5 g × 288 g) ÷ 604.68 g

                    X  =  69.77 g of O₂

8 0
3 years ago
Cobalt-59 is a stable isotope and cobalt-60 is an unstable or radioactive isotope. These two isotopes differ in the number of -
pogonyaev
Cobalt-59 and Cobalt-60 differ in that they have different mass number which means they have different number of neutrons. Isotopes are atoms of the same element with similar atomic number but different mass number. Cobalt-60, has a number of uses, which includes, being used to irradiate food sources as a method of preserving food, used in industrial radiography to detect structural flaws in metal parts among other uses. 
7 0
4 years ago
How to solve this problem
Alinara [238K]
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3 0
4 years ago
Is cooking oil polar or non polar
grandymaker [24]

Answer:

Oil is non-polar

Explanation:

-it consists of non-polar bonds which connect atoms having similar electro negativities

hope it helps:)

8 0
3 years ago
How many miles of O2 can be produced by letting 12.00 miles of KC103 react?
Marat540 [252]
 2KClO3 --> 2KClO2 + O2 
    12                               6    (moles) 
The ratio of KClO3 and O2 is 2:1. This means 2 moles of KClO3 can create 1 mole of O2. So 12 moles of KClO3 will create 6 moles of O2. 
3 0
3 years ago
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