Is Ca + HNO3 a reaction?

To the nearest gram, what is the mass of one spoonful of sugar? g

How many moles of hcl are present in 40.0 ml of a 0.035 m solution?

A solution contains water (h20), hydrochloric acid and a wire of magnesium (mg). It takes about 60 seconds for the chemical reaction to finish producing magnesium chloride (mgc12).

What is the density of ethanol m=61.893 v=10

You are given mixture made of 290 grams of water and 14.2 grams of salt. Determine the % by mass of salt in the salt solution.

Select all that apply. At STP conditions, 0.50 moles of CO (g), Cl2 (g), O2 (g) : will contain the same number of molecules, will contain the same number of atoms, will occupy the same volume, will have the same g. f. w.

A chemist adds 45 ml of a M mercury (II) iodide solution to a reaction flask. Calculate the micromoles of mercury (II) iodide the chemist has added to the flask. Round your answer to significant digits.

The Sun has more gravity than the other planets in our solar system because the Sun is A) hotter. B) more massive. C) made of plasma. D) undergoing fusion.

Molarity tells us ___. A. whether a solution is considered weak or strong B. how many grams of solute are dissolved in a given volume of solution C. the likelihood that a given volume of solution will dissolve more solid D.

If a batch of cinnamon rolls absorbs 342 kJ of heat while baking in the oven has released how many kj