Chemistry

All new and solved questions in Chemistry category

1 answer

Cu + AgNO3 = Cu(NO3)2 +Ag

Cu + AgNO3 = Cu(NO3)2 +Ag...
2 answers

Is NH3 a molecular crystal, metal, ionic crystal, or a network solid? 

Is NH3 a molecular crystal, metal, ionic crystal, or a network solid? ...
2 answers

Explain why neon is monatomic but chlorine is diatomic.

Explain why neon is monatomic but chlorine is diatomic....
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Why is a fan considerd mechanical energy

why is a fan considerd mechanical energy...
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If a solution A has twice as much solute as solution B. Is it possible for the solutions to have the same concentration?

If a solution A has twice as much solute as solution B. Is it possible for the solutions to have the same concentration?...
1 answer

2.0 cm + 2.6 cm + 4.2 mm = Please show work

2.0 cm + 2.6 cm + 4.2 mm = Please show work...
2 answers

How many minutes are there in an average lifetime of 70.0 years? Assume that 1 yr=365.25 days

How many minutes are there in an average lifetime of 70.0 years? Assume that 1 yr=365.25 days...
1 answer

How do you correctly read a graduated cylinder

How do you correctly read a graduated cylinder...
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What is 1500 in scientific notation

What is 1500 in scientific notation...
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What are metal strips called that are inside the copper compound solution

what are metal strips called that are inside the copper compound solution...
2 answers

How is groundwater formed?

how is groundwater formed?...
1 answer

A passenger walks toward the rear of a moving train. Describe her motion as seen from a reference point on the train. Then describe it from a reference point on the ground.

A passenger walks toward the rear of a moving train. Describe her motion as seen from a reference point on the train. Then describe it from a reference point on the ground....
2 answers

If you use half as many moles of reactant *then: you'll make twice as much moneythe reaction won't happen the reaction will release half as much heat the reaction will absorb heat

If you use half as many moles of reactant *then: you'll make twice as much moneythe reaction won't happen the reaction will release half as much heat the reaction will absorb heat...
1 answer

The combustion of propane may be described by the chemical equation, C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(g) how many grams of O2(g) are needed to completely burn 40.4 g of C3H8(g)?

the combustion of propane may be described by the chemical equation, C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(g) how many grams of O2(g) are needed to completely burn 40.4 g of C3H8(g)?...
2 answers

If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature?

If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature?...
2 answers

What is the meaning of Pangaea

What is the meaning of Pangaea...
2 answers

Why is classification an important life skill?

Why is classification an important life skill?...
2 answers

A black rock that produces heat

A black rock that produces heat...
2 answers

.is a pot holder a conductor or a insulator

.is a pot holder a conductor or a insulator...
1 answer

Why are gray mouse lemurs endangered

why are gray mouse lemurs endangered...

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