the mass of a material is 49 grams and the volume of the material is 14 cm ^3 what would the density of the material be?

How many electrons are in Al3+?

Calculate the molar mass of Iron (II) chloride (3 sig figst

What is the formula for the compound formed by lead (lV) ions and chromate ions

Salt are know as atom elements covalent compound ionic compound

The length of the grassy park where the ant lives is 1 kilometer how much longer than the ant is the park?

What volume of 18.0 M H2SO4 is needed to contain 2.45 moles of H2SO4?

For an experiment, a biology student makes 1 liter of a solution containing the following substances, which are shown in the table below.

If 1.0 mole of CH4 and 2.0 moles of Cl2 are used in the reaction CH4 + 4Cl2 = > CCl4 + 4HCl then which of these statements is TRUE? A. All of the CH4 will be used up. B. The theoretical yield of CCl4 is 1.0 mole. C. Some Cl2 will be left over. D.

Why do humans primarily form communities? A. To analyze group behavior B. To meet the needs of groups and individuals C. To preserve language and culture D. To make and follow codes of conduct

Which of the following is fact-based science rather than part of a belief system a. astrology b. paranormal investigation c. chemistry d. philosophy e. cultural rituals