If the average speed of a helium atom at a certain temperature is 1120 m/s what is the speed in miles per hour?

Name two things that would be different on our planet if we did not have a magnetic field.

Calculate the mole fraction of MgCl2 in a solution created by dissolving 132.1g of MgCl2 in 175mL of water.

What is a pseudoscience?

Is coffee with cream and sugar homogenous mixture or heterogenous mixture

What is the best way to make a supersaturated solution? A. cool the solution B. Stir the solution C. Heat the solution D. Evaporate the solution

1. Valcouroceras is a New York State index fossil. Which mountain-building event occurred in New York State during the time when Valcouroceras was living in oceans covering parts of New York State? 1. Alleghenian orogeny 2. Acadian orogeny 3.

For the following reaction 2 R (g) - -> Q (g) if the equilibrium concentration of R is 0.776 M and that of Q is 1.22 M at 25? C, what is the value of the equilibrium constant at this temperature? a. 0.521 b. 0.494 c. 2.03 d. 1.57

What is the lethal dose of chocolate

What is characteristics of the 6kingdoms

What is the correct formula for sodium nitrate