Convert 870 kg to pounds

which statement best describes the two tails of a comet? heating by the sun, the comets rotation, gravitational effects of nearby planets, or solar wind

The chemical reaction 2 H2O + energy → 2 H2 + O2 is 1. a synthesis reaction. 2. an endothermic reaction. 3. an exothermic reaction. 4. an ionic reaction.

How many moles of NaOH are present in 13.0 mL of 0.220 M NaOH?

Which explains why carbon (C) is such a versatile element? It can form four covalent bonds. It can form only ionic bonds. It can form both ionic and covalent bonds. It can form three ionic bonds.

Each step in the following process has a yield of 70.0%. CH4+4Cl2⟶CCl4+4HCl CCl4+2HF⟶CCl2F2+2HCl The CCl4 formed in the first step is used as a reactant in the second step. If 2.

Determine the equilibrium pH and speciation (concentration of each species) of the following two solutions. Neglect activity corrections. Species added Total concentration (solution a) HCl 10-3 M (solution b) NaCl 10-3 g.

How do you get dencity?

The materials created from a chemical reaction are called A. reactants. B. products. C. coefficients. D. none of the above.

Organic compounds ALL contain the element carbon. Which organic compound, used for stored chemical energy, contains carbon, hydrogen, oxygen, and often phosphorous?

In a polar molecule, which atom will have the greatest partial negative charge? A) the smallest atom B) the least electronegative atom C) the largest atom D) the most electronegative atom