Although there are different ways to approach a scientific investigation, all scientific investigations begin with some sort of

Sodium sulfate reacts with carbon to produce the products sodium sulfide and carbon monoxide. Identify the reducing agent in the following reaction. Na2SO4 + 4C yields Na2S + 4CO Na2SO4 C Na2S CO

Convert each of the potentials. The silver-silver chloride and calomel reference electrodes are saturated with resulting in cell potentials of + 0.197 V and + 0.241 V with respect to the standard hydrogen electrode (S. H. E.), respectively.

Question 2 20 pts An ethylene gas torch requires 3200 L of gas at 3.00 atm. What will be the pressure of the gas if ethylene is supplied by a 250.0 L tank? O 0.231 atm 2.34 atm 38.4 atm 45.4 atm

In basic solution, se2 - and so32 - ions react spontaneously and e o cell = 0.35 v. (a) write the balanced half-reactions for this process. include the states for each reactant and product. (b) if e o sulfite is - 0.57 v, calculate e o selenium.

Describe what happens to salt when it dissolves in water.

How many moles of ammonia are produced when 8 moles of nitrogen gas react with hydrogen gas?

If a mass of gas is confined in a closed container with a movable piston above the gas and a small downward force is applied to the piston, the volume of the gas will be a. increased considerably. b. reduced considerably. c. reduced slightly. d.

If an atom has 8 valence electrons, how many electrons does it need to gain to achieve a stable electron configuration?

About how many miles on Earth are equal to one degree of latitude?

What are the allotropes of sulphur And phosphorus?