How can we evaluate the effectiveness of our action?

if i have 7.7 moles of a gas at a pressure of 0.09 ATM and a temperature of 329 K, what is the volume of the container that the gas is in?

What is an example of Hydrogen combustion

I'm an electrically neutral atomic any element, there are equal numbers of

What factors affect the intensity of light received from a source

What is the mass number of a chlorine atom with 17 protons and 18 neutrons?

After 10 years, 75 g of an original sample of 100 g of a certain radioactive isotope has decayed. the half-life of the isotope is

When 10.7 g of Al are reacted with 42.5 g of HCl, what volume of H2 will be produced at 47 C and 725 mmHg? Formula: 2Al+6HCl=2AlCl3+3H2

Increasing the temperature increases the rate of a many reactions by:

2A balloon filled with helium occupies 20.0 L at 1.50 atm and 25°C. How many moles of helium will there be in the balloon at STP? A. 22.4 moles B. 1.12 moles C. 0.0446 moles D. 0.893 moles E. 1.23 moles F. 4.55 moles

1. Which has a larger radius Ca atom or Ca+2 ion? 2. Which has a greater radius F atom or F - ion? 3. Which is the correct way of understanding the trend for Ionic radius Vs. Atomic radius?