Chemical Equations
Math
Periodic Table
Environment
Random
100

The reactants of:

2KBr + CaS --> CaBr2 + K2S

What are 2KBr and CaS?

100

Molar mass of O2

What is 32.00 g/mol?

100

The charge for an element in group 16

What is -2?

100
The gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect.

What is global warming?

100
The pH range of acids and bases

What is 0-6.9 for acids and 7.1-14 for bases?

200

The balanced equation: reaction of copper (II) oxide with hydrogen to form copper metal and water.

What is CuO + H2 --> Cu + H2O

200

The number of protons, neutrons, and electrons for K+ if mass number is 39.

What is 19 protons, 20 neutrons, and 18 electrons?

200

The number of protons, neutrons, and electrons for Al if mass number is 35.

What is 13 protons, 22 neutrons, and 13 electrons?

200

The process that plants take carbon and use to make oxygen

What is photosynthesis?

200

Avogrado's number

What is 6.02 x 1023?

300

The type of reaction of:

2H2O --> 2H2 + O2

What is decomposition?

300

The number of moles of O2 produced when there is 16 moles of Al2O3


4 Al + 3 O2 --> 2Al2O3

What is 24 moles of O2?

300

The type of bond between phosphorus and iodine

What is covalent bond?

300

The type of energy that a rock has as it sits on top of a cliff.

What is potential energy?

300

The number of electrons that triple covalent bond shares.

What is 3 pairs or 6 electrons?

400
The balanced equation of:


Mg3P2 + H2O --> H3P + MgO

What is Mg3P2 + 3H2O --> 2H3P + 3MgO?

400

The number of moles of Ag produced from 16.0g of Cu.

Cu + 2AgNO3 --> 2Ag + Cu(NO3)2

What is 0.50 moles of Ag?

400

The chemical formula for CuI2

What is Copper (II) iodide?

400

The layer of the mantle that convection currents are located.

What is the asthenosphere?

400

The name for K2O

What is Potassium oxide?

500

The shift in equilibrium and type of reaction if we increased the pressure of:

3H2 + N2 <-> 2NH3


What is to the right or synthesis reaction?

500

The energy required to heat 42.5g of liquid water from 300C to 750C.

Q = mc𐤃T 

c = 4.18 J/g 0C

What is 7994.25 J?

500

The name of P2O3 

What is Diphosphorus trioxide?

500

The effects of ocean acidification.

What is pH decreasing, less calcium carbonates, weaker shells, loss of marine life, etc.?

500

The shift in equilibrium and type of reaction if we decreased the concentration of N2:

3H2 + N2 <-> 2NH3

What is shift to the left and decomposition reaction?