The solubility of sodium chloride in water is 35.7 g per 100 ml at 0. What is the maximum amount of sodium chloride that will dissolve in 250 ml of water

What is the best way to transfer solid chemicals into a beaker? A.) Pour the solid from the container to the beaker B.) Use a finger to scope the chemical into the beaker C.) Use a scoop or spatula to transfer the chemical D.

If the half-life of carbon-14 is 6000 years, how many grams of carbon-14 should remain if a 72-gram sample sits around for 18,000 years?

What percent of all known galaxies are spiral?

What part of two atoms combine to form a heavier element

How much energy is required to convert 15.0 g of ice at - 106 °C to water vapor at 125 °C? Specific heats are 2.09 J/g K for both ice and water vapor, and 4.18 J/g K for liquid water. Heats of vaporization and fusion are 2.260 kJ/g and 0.

Which of the following contains both ionic and covalent bonding? CH4 NaCl NH4Cl N2O4 If the formula for a compound is represented by X2Y3 and the charge on the Y ion is - 2, what is the charge in the X ion? +1 +2 +3 +4

Qual e o maior orgao do corpo humano

Whic of the following fromulas represents a nonpolar molecule? a) N2 b) H2O c) NaCI d) HCI

What is the density of 19.2 g of oak that has a volume of 25.7 cm3?

Which of these is a compound? О co2, O2, Co