The steel used to make structural beams in buildings is a mixture. What category best describes this type of mixture?

heterogeneous mixture

colloid

suspension

solution

12.39 g sample of phosphorus (30.97 g/mol) reacts with 52.54 g of chlorine gas, Cl2 (70.91 g/mol) to form only phosphorus trichloride, PC13 (137.33 g/mol). Which is the limiting reactant?

How many moles are there in 20.0 grams of FeCl3?

According to the kinetic theory, gases consist of particles that have motion that is constant, random, and rapid. occupy considerable volume. exert attractive and repulsive forces on other particles. are relatively close together.

Explain why living organisims contain more hydrogen atoms then any other atoms, yet 65% of typical organisims mass is oxygen

A sample that contains 4.78 mol of a gas at 251 K has a pressure of 1.19 atm. What is the volume? Answer in units of L.

A 100.0 mL sample of 1.020 M HCl is mixed with a 50.0 mL sample of 2.040 M NaOH in a Styrofoam cup. If both solutions were initially at 24.

During fusion, the hydrogen in the Sun is? a. entirely converted to energy. b. entirely converted to helium. c. partially converted to energy. d. partially converted to deuterons.

The nucleus of a radium-226 atom is unstable, which causes the nucleus to spontaneously (1) absorb electrons (3) decay (2) absorb protons (4) oxidize

What is the molality of glycerol solution with density og 1.120g/ml and mass percentage of 48%?

Inside an atom, which of these occupies the maximum volume? a) the electrons b) the protons c) the neutrons d) empty space (vacuum)