Nuclear Fission and Nuclear Fusion — Cumulative exam Answers

Which is the formula mass of Na2SO4?

Consider this reaction.What volume of oxygen gas, in milliliters, is required to react with 0.640 g of SO2 gas at STP?

Which task most likely involves a calculation that uses moles?

The chemical equation below shows the burning of magnesium (Mg) with oxygen (O2) to form magnesium oxide (MgO).2Mg + O2 2MgOThe molar mass of O2 is 32.0 g/mol. What mass, in grams, of O2 is required to react completely with 4.00 mol of Mg?

The chemical equation for the combustion of acetylene (C2H2) is given below.What volume of oxygen at STP is required for the complete combustion of 100.50 mL of C2H2?

A gas in a rigid container at 25°C has a pressure of 0.96 atm. A change in temperature causes the pressure to increase to 1.25 atm. What is the new temperature of the gas?Use .

Deuterium is an isotope of hydrogen. The nucleus of a deuterium atom consists of one proton and one neutron. When two deuterium nuclei fuse, helium-3 is formed, and a neutron is emitted. Which equation illustrates this process?

A chemist lectures about the following definition for acids and bases.The acid-base behavior is analyzed in terms of how electrons are transferred between compounds rather than in terms of how hydrogen ions are transferred.What is the chemist defining?

Chandra wants to know how many moles are contained in 150.0 g CCl4 (carbon tetrachloride). What quantity of CCl4 should she use to make this conversion?

Which equation demonstrates that nuclear fusion forms elements that are heavier than helium?