During a chemical reaction, energy

is converted from one form to another

increases

decreases

is used up as bonds are broken and formed

Identify the base in this acid-base reaction: o 2HC2H3O2 + Mg (OH) 2 + Mg (C2H2O2) 2 + 2H2O O HC2H302 O Mg (OH) 2 O Mg (C2H302) 2 o H₂O DONE

In the cyanide ion (cn-), the nitrogen has a formal charge of

Which of these is a mixture A. salad B. sugar C. water D. potassium

What characteristic of radiation allows a geiger counter to measure radiation levels?

How many milliliters of a 0.184 m lino3 solution contain 0.113 moles of lino3?

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.