How many grams of Na2CO3 are contained in 0.400 L of 0.250M Na2CO3?

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?