3. How many moles of sodium are needed to react with sulfuric acid to produce 3.75 moles of

sodium sulfate according to the following (unbalanced) reaction:

Na + _ H2 (SO4) = __ Na2 (SO4) + __ Hz

How do carbon isotopes in fossil fuels differ from the atmosphere and from biomass?

Conduction happens as energy flows from a warmer object to a cooler object. Which of the following is an example of conduction?

A well designed experiment can be replicated by other true or false

A mixture of CH4 and H2O is passed over a nickel catalyst at 1000 K. The emerging gas is collected in a 5.00L flask and is found to contain 8.62 g of CO, 2.60 g of H2, 43.0 g of CH4, and 48.4 g Of H2O.

How are rainbows created?

Halogens have ... Electron affinity

Observe: Change the Surface area from Minimum to Maximum. You can imagine that a solid reactant has been dissolved in a liquid. How does this change how many Reactant B molecules are exposed to Reactant A?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.

What is the example to the word camouflage

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4