How many milliliters of calcium with a density of 1.55g/ml, are needed to produce 98.5g of calcium hydroxide in the single replacement reaction below

The metal tin becomes superconducting at temperatures below 3772 K. Calculate the temperature at which tin becomes superconducting in degrees Celsius. Be sure your answer has the correct number of significant digits.

If you were a scientist, why wouldn't you use "sour taste" to identify a compound as acidic?

Calculate the mass of oxygen (in mg) dissolved in a 4.97 L bucket of water exposed to a pressure of 1.08 atm of air. Assume the mole fraction of oxygen in air to be 0.21 and the Henry's law constant for oxygen in water at this temperature to be 1.

Express 1340000 in scientific notation

Predict the following chemical formula for a compound between calcium and chlorine.

How are real gases different from ideal gases?

Which one doesnt belong in the list below? A. a meter B. one liter C. One centimeter D. one kilometer

Which elements did curies discover

When rubidium metal is exposed to air, two atoms of rubidium, Rb, combine with one atom of oxygen. If 1.98 grams of rubidium is exposed to air, what will be the mass of the product in grams

Fission reactions can get of of control without what taking place?