Why is potassium placed in the periodic table where it is?

What ph measurements of rainwater would indicate acid precipitation?

You used both HNO3 and H2SO4 solutions in this experiment. briefly answer the following question. why couldn't you substitute 3M H2SO4 for concentrated HNO3 in Part 1?

Calculate the molarity of a solution that contains 0.175 mol of zncl2 n exactly 150 ml of solution.

If the temperature of an object is 335K, how would his be expressed on the celsius scale?

A student builds a circuit that lights a lightbulb. A second bulb is added to the same loop between the first bulb and the battery. Which statement describes the brightness of each bulb? Each bulb will be dimmer than the first bulb was.

Does the energy in a solid increase or decrease when changing to a liquid?

Is iron a substance or mixture?

How can scientists study the composition of distant stars?

How many grams of naoh are needed to make 750 ml of a 2.5 (w/v) solution?

During an autopsy, all organs are removed from the body, weighed, and examined for any damage that might reveal information about the cause of death. True or False?