An atom that has a negative four charge will have one of the following?

A. 4 more protons than electrons

B. An equal amount of protons and electrons

C. 4 more electrons than protons

D. 2 more neutrons than protons

Which formula represents a molecule with the most polar bond? a. CO b. NO c. HI d. HCI

Which of the following statements is not true, according to the kinetic theory

How many milliliters of 0.15 M solution could you prepare?

Digoxin injection is supplied in ampules of 500 mcg per 2 mL. How many milliliters must a nurse administer to provide a dose of 0.2 mg? img20. img 0.5 mg-2 Sooring = 0r5mg 0 12mg = x 0.001X500mcg = 0.5 mg 0,2 mg x 2mL = 0.8mL 0.5 m

If an increase in temperature accompanies a reaction what occurred A. energy was absorbed b. energy was released c. energy was destroyed d. energy was created

What is the theoretical yield of silver chloride?

Calculate the cell potential for the galvanic cell in which the reaction Fe (s) + Au 3 + (aq) - ⇀ ↽ - Fe 3 + (aq) + Au (s) occurs at 25 ∘ C, given that [ Fe 3 + ] = 0.00150 M and [ Au 3 + ] = 0.797 M.

Magnesium is lighter than other structural metals, so it is increasingly important in the design of more efficient vehicles.

The relationship between number of particles and pressure is As number of particles increases, pressure increases As number of particles increases, pressure decreases The two are not related

Consider the reaction: Al2S3 + 6 HCl → 2 AlCl3 + 3 H2S The reaction has a 29.1% yield. How many grams of Al2S3 are needed to react with 30.0 moles of HCl? a) The molar mass of Al2S3 is 150.16 grams/mole. b) The molar mass of HCl is 36.46 grams/mole.