Use the data above to determine the molar mass of the following "chemical" A2G, in grams/mole (just include the number)
Use the data above to determine the molar mass of the following "chemical" A2G, in grams/mole (just include the number)
Match the chemical reactions with their respective type
A + B --> AB
2H2O --> 2H2 + O2
AB + CD --> AD + CB
AB --> A + B
MgCl2 + Zn --> ZnCl2 + Mg
H2 + I2 --> 2HI
C6H12O6 + 6O2 --> 6CO2 + 6 H2O
A + BC --> AC + B
NaOH + HCl --> NaCl + H2O
CxHy + O2 --> CO2 + H2O
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
Match the following masses with the number of moles.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
16.0 g of O2 | arrow_right_alt | 1 mole |
23 g of Na | arrow_right_alt | 2 moles |
10.0 g of NaOH | arrow_right_alt | 0.5 moles |
4.04 g of H2 | arrow_right_alt | 0.25 moles |
Rank the following, with the most particles at the top, and the fewest particles at the bottom. Write one sentence explaining your ranking.
5.0 g of He
5.0 g of U
5.0 g of H2O
5.0 g of C6H12O6
5.0 g of Xe
Rank the following from most mass, to least, with the most mass on top.
3.0 moles of He
1.0 moles of Ca
3.0 moles of Ne
0.5 moles of Au
4.0 moles of Li
10.0 moles of H2
When converting meters/sec into miles/hour, which conversion factors are used?
used
not used
Which of the following can be correctly said about 1.0 mole sample of Ag and 1.0 mole sample of Au? Select all that apply.
Element X starts neutral, but will ionize to a charge of 3+ and it will undergo a synthesis reaction with chlorine gas (Cl2). Write a balanced chemical reaction for this process.
Use the data above to determine the molar mass of the following "chemical" A2G, in grams/mole (just include the number)
A2G undergoes a double repacement reaction with EH3. Write a balanced chemcial reaction for this reaction.
3DG + 2EH3 --> 3DH2 + E2G3
If 33 grams of DG react with excess EH3, how many grams of E2G3 will form?
When 8 moles of aluminum react according to the reaction below, ______ moles of copper will be produced.
2Al + 3CuSO4 --> Al2(SO4)3 + 3Cu
As the atomic masses of elements increase, the number of atoms in 1 mole of the element
15.0 grams of H2 are placed in a container with 15.0 grams of N2. The pressure and temperature are raised until ammonia, NH3 is formed. How many grams of ammonia will form? Round your answer to 1 decimal place. (Remember to determine the limiting reactant first.) The balanced equation is N2 + 3H2 --> 2NH3
4 kelsiers = ______ sazed
601.47 grams of Fe2O3 react with excess aluminum to produce ____ grams of iron, according to the following reaction: Fe2O3 + 2 Al → 2 Fe + Al2O3
An 1,100 watt microwave can put in 1,100 joules of energy per second. 500 grams of water will need 2090 joules of energy for every degree the temperature increases by. How many minutes should you put your 500 g cup of water in the microwave so that the temperature inceases by exactly 79 degrees?
How many moles would be present in 24 g of A2G?
What would be the mass (in grams) of 3 moles of DH2?