what is the raw materials of the following foam, perfume, tyre, paper, soap, glass, paint, white cement, cloth, and pop ceiling

Five samples of argon gas are described in the table below. Rank the samples in order of increasing average kinetic energy of the atoms in them. That is, select "1" next to the sample in which the argon atoms have the lowest average kinetic energy.

Rank the following compounds from largest to smallest according to their expected magnitude in lattice energy. Rank from largest to smallest lattice energy To rank items as equivalent, overlap them. a. Cs1 b. KI c. MgS d. KBr e.

Which of the following distinguishes a nuclear reaction from a chemical reaction? a. It involves atoms. b. There is an exchange of electrons. c. Mass is conserved. d. There is a change in the nucleus.

Use the periodic table to match each of the following element symbols to its name, atomic mass, or atomic number. Match Term Definition Sb A) Antimony S B) 32.06 u (atomic mass) Si C) 14 (atomic number)

What is the difference between a solution and a heterogeneous mixture?

Which of the following are balanced equations? Check all that apply. A. 4Na (s) + O2 (g) → 2Na2O (s) B. 2Mg (s) + O2 (g) → 2MgO (s) C. C3H8 (g) + O2 (g) → CO2 (g) + H2O (g) D. C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g

A line has a slope of 5 and a y-intercept of - 2. + + + -8-7--5-4-3-2 1.2.3.4.5.6.7.8 x +T919919 What is the x-intercept of the line?

For some reaction carried out at constant atmospheric pressure and at a constant temperature of 25◦C, it is found that ∆H = - 38.468 kJ/mol and ∆S = + 51.4 J mol · K. What is the value of ∆G for this reaction under these conditions?

The specific beta in aluminum is 0,900 J/g • Celsius. How much heat is required to raise the temperature of a 30.0 g block of aluminum from 25 degrees celsius to 75 degrees celsius

Which example has only potential energy and no kinetic energy? a roller coaster zooming down a hill a child riding their bike a bird flying from a tree a ball sitting on a shelf