Can someone reword this?

A magnetic substance has magnetic fields. These fields start at the North Pole wrap around the magnet, and terminate at the south pole of the magnet. All magnetic substances have north and south poles

35.5 moles of lithium fluoride is dissolved in 65 L of solution

2 Mg (s) + O2 (g) → 2 MgO (s) ΔH = - 1204 kJ Determine which statement is true regarding the reaction above. A) The reaction is endothermic; the products have a lower total bond energy than the reactants.

Name one way in which oxygen from the air reacts slowly with another materal

What is kinetic i ned to know for scince i just stared

Consider the chemical equation. CuCl2 + 2NaNO3 Cu (NO3) 2 + 2NaCl What is the percent yield of NaCl if 31.0 g of CuCl2 reacts with excess NaNO3 to produce 21.2 g of NaCl? Use.

A flask contains 4.4g of carbon dioxide gas. calculate how many moles CO2 gas does it contains?

What defines a mixture? A) A mixture contains different substances that are chemically combined. B) A mixture contains different substances that are not chemically combined and can be broken down into its basic substances through physical means.

How much does 5 gallons of water weigh?

Calculate the percent by mass sulfur in sulfuric acid, h2so4.

4. What electrons are involved in chemical bonding?