A chemist determined by measurements that 0.0450 moles of gold participated in a chemical reaction. Calculate the mass of gold that participated in the chemical reaction.

Be sure your answer has the correct number of significant digits.

A weather forecast shows 35 m/h on the weather map. Which weather component does this number represent? A. Humidity B. Precipitation C. Wind direction D. Wind speed

What are the 5 areas of chemistry

When the final velocity is less than the initial velocity, this is Question 4 options: speed time acceleration deceleration

A student assistant is cleaning up after a chemistry laboratory exercise and finds three one-liter bottles containing alcohol solutions.

What is AS in the equation AG = AH - TAS? O A. The change in entropy between products and reactants in a reaction O B. The change in heat content between the products and the reactants O C.

How long does it tae for bleach to evaprate?

What product (s) forms at the cathode in the electrolysis of an aqueous solution of k2so4?

What element is used as a shield to protect people from radioactive substances?

The frequency of a given region of the electromagnetic spectrum is more than 3 x 1019 HZ. Note that the speed of light is 2.998 x 108 m/s. Which waves are found in this region? A. gamma rays B. visible light C. microwaves D. radio waves E. x-rays

A farmer uses water to irrigate his potato crops. Which roles of water does this examplify