Other Chemistry Answers

how many molecules are in 652 of h20?

In an experiment to determine the percentage composition of an oxide, the element is allowed to burn in air and the oxide formed is collected. Describe how we can determine the mass of the oxygen in the air that was reacted.

solution of sodium thiosulfate of volume V=50ml and molar concentration C=0.1mol/l is prepared by dissolving a mass(m) of solid penta-hydrated sodium thiosulfate Na2S2.5H2O in water.
Calculate the mass(m).

based on solubility rules, write the name and formula of 10 substances that you predict would not be appreciably soluble in water

when 97.5g of zine was heated in oxygen?121.5g of zinc oxide was formed. calculate the empirical formula of oxide?

What is the pH of a 0.017 M solution of HCl

a 3.56 g sample of iron powder was heated in gaseous chlorine,and 10.39 g of an iron chloride was formed. what is the percent composition of the compound? show the reaction equation.

moles of chalk do you have when you have 10 grams before and 8 grams after writing your name?

A 25.0 mL sample of HCL was titrated to the endpoint with 15.0 mL of 2.0 N NaOH.What was the normality of the HCL?What was its molarity

Consider the following reaction.
C6H12O6 + 6O2 => 6CO2 + 6H2O

This equation shows the overall reaction of the process of respiration, which is the set of chemical reactions that give energy to the majority of non-plant life on earth.

If I have 15 moles of oxygen and 7 moles of glucose (C6H12O6) which one will be the limiting reagent and how much carbon dioxide (CO2) will be produced?