What was the old percentages of copper to zinc before 1983?

A sample of gas has a mass of 0.555g. volume is 117 mL at a temperature of 85 degrees Celsius and a pressure of 0.99 atm. What is the molar mass of the gas?

Which of the following combines with harmful gases to create air pollution? fertilizers smoke particulates sewage

Write both the full balanced ionic equation for the following reaction and the balanced net ionic equation. what are the spectator ions if there are any? Equation: AgNO3 (aq) + GaCl3 (aq) - - > AgCl (s) + Ga (NO3) 3 (aq)

Sedimentary rocks that are made up of life pebbles and stones have a Coarse gained

What is fog? A. a colloid B. a solution C. a suspension

What is carbon fixation, and how does it relate to photosynthesis? It is the absorption of CO2 from the air;, and it occurs during the light-dependent reactions. It is the reduction of CO2, and it occurs during the Calvin cycle.

What is a Boitic factor

What would the partial pressure of water vapor be if you included this gas in the problem and it gave a total of 1.03atm? 0.01 atm 0.03 atm 1.03 atm

Define a balance equations:

What is the best description of the Bohr model of the atom? The atom consists of a positively charged material with negatively charged electrons embedded within it. The atom consists of a nucleus with electrons orbiting randomly around it.