What are economic challenges that governments must face? Check all that apply.

1. threats of war

2. unemployment

3. low production

4. inflation

5. low voter turnout

Why do plants without vascular systems tend to grow small and close to the ground

Why do need thermometer, thermistors and other devices for measuring temperature

How many moles of caco3 are there in an antacid tablet containing 0.515 g caco3?

What is a measure of the average speed of the particles in a substance?

A compound is a type of matter true or false

What is the total number of atoms contained in 2.00 moles of nickel?

What type of reaction is shown below? XY + Z = Y + XZ A. Single Replacement B. Synthesis C. Double Replacement D. Decomposition

For the gas phase decomposition of 1-bromopropane, CH3CH2CH2BrCH3CH=CH2 + HBr the rate constant at 622 K is 6.43*10-4 / s and the rate constant at 666 K is 8.28*10-3 / s. The activation energy for the gas phase decomposition of 1-bromopropane is

Write the electron configurations of cu2 + and ag+. is each electron configuration consistent with the color you observed for each cation? explain.

Does a precipitate form when a solution of sodium acetate and a solution of ammonium sulfate are mixed together?