Why do different elements have different values of atomic mass?

What type of reaction is H2O

How is the mass of a compound related to its chemical formula

The tendency of an element to react is closely related to? A. its atomic mass B. attractions between its atoms C. the number of valences electrons in atoms of the element D. the ratio of protons to neutrons in atoms of the element

How many grams of nh3 can be produced from 3.99 mol of n2 and excess h2?

How many protons, neutrons, and electrons are present in an atom of aluminum-27?

How much MnO2 (s) should be added to excess HCl (aq) to obtain 295 mL of Cl2 (g) at 25 °C and 735 Torr?

Why do people describe water as a universal solvent

What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurred to determine pH to detect the presence of water

You open your lemonade stand with 100 lemons, 5 bags of sugar containing 6 cups each, and 10 gallons of water (16 cups per gallon). Which statement is NOT true about the production of lemonade in your stand?

For the complete combustion of 5.6dm3 of a gaseuos hydrocarbon CxHy. 28.0dm3 of oxygen gas were used, 16.8dm3 of CO2 gas and 18.0gof liquid water were produced all gases measurement were made at stp. Determine the chemical formula of the hydrocarbon