If you make a solution that has a H + concentration of 0.075, what

will the pH of the solution be?

Which statement is true about energy changes? A. Energy can be created but not destroyed. B. Energy can be created and destroyed. C. Energy can be destroyed but not created. D. Energy cannot be created or destroyed.

A sample of hydrogen effuses through a porous container about 9 times faster than an unknown gas. Estimate the molar mass of the unknown gas.

What is thiosulphates?

If a 1 kilogram ball is accelerating at 5m/s what force is being applied to it

A flashbulb contains magnesium and oxygen before use and magnesium oxide afterward, but its mass does not change.

Which would exhibit characteristics of both a metal and a nonmetal? select one: a. si b. ge c. sb d. po e. all of the above exhibit characteristics of both a metal and a nonmetal?

In the synthesis reaction, the white powder produced is magnesium oxide (mgo, mm = 40.3 g/mol). how many moles of magnesium oxide were formed (number of moles = mass (g) / molar mass (g/mol)) ? choose the closest answer. a. 0.21 moles b. 0.

Which of the following is the most likeley example of an favorable mutation A. A mutation that makes a rabbit able run faster B. A mutation that changes the rabbit's fur to bright orange C. A mutation that changes the color of the rabbit's eyes D.

Which of these mole ratios is possible for this reaction? FeCl3 + 3NaOH → Fe (OH) 3 + 3NaCl 1:1 1:3 3:1 2:3

The chemical equation for reduction of phosphorite Ca3 (PO4) 2