Answer:
1. 1.34g
2. 1.19g
3. 0.49g
Explanation:Please see attachment for explanation
Did you hear about the claustrophobic astronaut?
Eating good food gives us more energy.
Natural gas is used for heat and for cooking.
Electricity and coal are two forms of energy.
Renewable energy includes sea currents and solar power.
Geothermal energy is natural heat from the inside of the earth.
You need energy in order to move.
Answer:
Explanation:
In this case, according to the Periodic table
there is 1g of hydrogen per mole. As we know that dihydrogen (H2) has two hydrogen atoms per molecule. So,there will be 2*1g hydrogen per mole=2g dihydrogen per mole.
If there is 2g dihydrogen per mole,and we have 4g,then we know that there is 2 mole dihydrogen in 4g.And for hydrogen there is 4 moles in 4g of hydrogen