Describe the arrangement of sodium ions and chloride ions in a crystal of sodium chloride

Mildred takes a pound of frozen hamburger meat out of the freezer and puts it into the refrigerator. Which of the following best describes the direction of heat flow?.

Which of the following is NOT true regarding the structure of benzene? a) The carbon-carbon bonds rapidly alternate between single and double bonds. b) The C-C-C bond angles are 120°. c) The hydrogen atoms are equivalent.

The minimum amount of energy needed to get a chemical reaction started is called the ___ energy. a. activation b. reaction c. enzymatic d. chemical (e) triggering

Which of the following statements are TRUE? Group of answer choices Dynamic equilibrium indicates that the amount of reactants and products are equal.

What is the main reason that the bounce height decrease.

What happens during a chemical reaction

At 700 K acetaldehyde decomposes in the gas phase to methane and carbon monoxide. The reaction is: CH3CHO (g) →CH4 (g) + CO (g) A sample of CH3CHO is heated to 700 K and the pressure is measured as 0.15 atm before any reaction takes place.

Which of the following is the final concentration of KCl if 500 ml of 0.25 M KCl is diluted to a final volume of 5 L? 0.025 L 0.0025 L 25 L 2.5 L

The isomerization of 3-phosphoglycerate (3PG) to 2-phosphoglycerate (2PG) has a ΔG°' = + 4.4 kJ/mol. If [2PG] = 4.0 mM and [3PG] = 22.2 mM, in which direction will the reaction move to reach equilibrium at 37°C?

What are some facts about the element Rutherfordium