Which one of the following substances is a liquid fuel used in rocket engines?

a. Liquid oxygen

b. Amnonia

c. Condium nitrate

d. Potassium

Which statement is true? Inertia causes bodies to slow in their motion, unless they're pushed by a force. Inertia resists changes to the state of motion of a body. Inertia decelerates a body. Inertia is due to friction.

A cylinder of oxygen gas is cooled from 300K to 150K by what factor does the average kinetic energy of the oxygen molecules in the cylinder decrease

What is the electron geometry (or electron arrangement) around an atom in a molecule or ion which is surrounded by one lone pair of electrons and four single bonds. a. trigonal bipyramidal b. see-saw or distorted tetrahedron c. t-shaped d. linear e.

The electron configurations of some elements are given. Based on the electron configurations, which elements can likely form ions with multiple charges?

Type the correct answer in the box. The pressure inside a tire is measured as 28.0. What is its pressure in? 1 pound = 4.45 newtons 1 inch2 = 6.45 centimeters2 Express the answer to the correct number of significant figures. The pressure is.

Complete the following statement by checking all that apply Creativity allows scientists to develop multiple approaches to solving problems. adapt to changes in scientific knowledge. look at old problems in new ways.

The atomic weight of hydrogen is 1.00794. a. True b. False

Describe What kind of ions do metals form? What kind of ions do nonmetals form?

A car is driven through streets treated with salt and then parked in a warm garage. a) How will the rate of rusting compare with a car that has not been driven in the streets treated with salt but left parked outside?

Amalgam is an alloy that contains mercury and other metals. Which of these atoms would most likely form metallic bonds with mercury? Check all that apply. bromine copper hydrogen iodine silver tin