Each elements on the periodic chart is made up of a certain kind of atom. Agree or Disagree reason why

A sample of tap water contains 1.95 x 10^3 ppm caco3. assuming the density of the tap water is 1.00 g/ml, calculate the mass of calcium carbonate in 2.0 l of water

A balloon is filled to a volume of 2.20L at a temperature of 22*C. The balloon is then heated to a temperature of 71*C. Find the new volume of the balloon

A 2.0 L sample of hydrogen expanded to a new volume of 5.5L whole its pressure decreased to a 0.5 atm what was the original pressure of the example

Why is oil unable to dissolve well in water? Water is polar and oil is nonpolar, which means they have no attraction for each other. Oil molecules are too large to fit between the closely spaced water molecules in the liquid state.

A scientist discovers a new plant that has vascular tissue and produces seeds. It has brightly colored, scented flowers.

Which statement applies to electronegativity? electronegativity increases as the size of atom increases. electronegativity decreases as the size of atom decreases. there is no correlation between electronegativity and atom size.

Give the empirical formula of a compound that contains 77.735 % c, 7.471 % h, and 14.794 % o.

128.3 grams of methane (CH4) is equal to how many moles of methane

What causes the subduction zone when an oceanic plate collides with a continental plate

Which of the following compounds is not ionic? a. nai b. cacl2 c. co2 d. na2o