Substances made of two or more elements which are not chemically bonded are known as

Sodium chloride is produced from its elements through a synthesis reaction. what mass of each reactant would be required to produce 29.0 mol of sodium chloride?

Although cholesterol is a hydrophobic molecule, it has a hydrophilic head group like all other membrane lipids. True or false?

Butyric acid has a density of 0.959 g/mL at 20∘C. How many moles of butyric acid are contained in 1.56 mL of butyric acid? Express your answer to three significant figures and include the appropriate units

1. What is the pH of a solution with a 2.20 * 10-8 M hydroxide ion concentration? 0.342 6.00 6.34 7.66 2. What are the concentrations of hydroxide and hydronium ions in a solution with a pH of 10.2? 1.4 * 10-4 M H3O + and 7.1 * 10-11 M OH- 3.

Wat is diffrent from a square and trapisode

Which formula id correctly paired with its name? A. MgSO↓ = magnesium chlorine B. FeO = iron (|||) oxide C. K↓2O = Phosphorus dioxide D. CuCI↓2 = copper (||) chloride

Which of the following correctly explains the role of enzymes in biochemical reactions? A) Enzymes provide energy in the form of ATP to lower the activation energy needed for the reaction.

How does being a landlord relate to chemistry in any way

Element m has an ellectronegativity of less than 1.2 and reacts with bromine to form the compound MBr2. Element M could be?

Which situation describes evidence of a chemical change? A. When food color is added to water, it changes color. B. A solid changes into liquid when heated. C. A solution feels warm after a cool solid is added to it. D.