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Law Incorporation [45]
3 years ago
14

Identify the choice that best completes the statement or answers the question.

Chemistry
1 answer:
DanielleElmas [232]3 years ago
6 0
The answer would be decomposers
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He molecular formula mass of this compound is 180 amu . what are the subscripts in the actual molecular formula?
mezya [45]
I can't actually answer this one if the empirical formula is not given. Luckily, I've found a similar problem from another website. The problem is shown in the picture attached. It shows that the empirical formula is CH₂O. Let's calculate the molar mass of the empirical formula.

Molar mass of E.F = 12 + 2(1) + 16 = 30 g/mol

Then, let's divide this to the molar mass of the molecular formula.
Molar mass of M.F/Molar mass of E.F = 180/30 = 6

Therefore, let's multiply 6 to each subscript in the empirical formula to determine the actual molecular formula.
<em>Actual molecular formula = C₆H₁₂O₆</em>

5 0
3 years ago
On melting of ice , there is a decrease in volume instead of increase . Why ?
Oliga [24]
Because of the crystal structure of the ice, ice has lower density than liquid water. So the volume of the ice of same mass is greater than water. When melting, the volume will decrease.
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On number 2 if the atom has 3 protons,4 neutrons and 3 electrons what is the charge of the atoms nucleus?
laila [671]
0 is the correct answer.
7 0
3 years ago
Write balanced molecular equation for the reaction between nitric acid and calcium hydroxide.
serg [7]
2HNO3 + Ca(OH)2 --> 2HOH + Ca(NO3)2

7 0
3 years ago
When the stabilized state of an equilibrium system is altered, further chemical reactions begin until a new equilibrium is reach
Nezavi [6.7K]
The answer is a. True. This is also known as the Le Chatelier's principle or The Equilibrium Law which states that if a chemical reaction is at equilibrium and then experiences changes in the condition of the reaction such as changes in concentration, pressure, or temperature of products or reactants, the system will naturally shift to achieve a new equilibrium state.
7 0
3 years ago
Read 2 more answers
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