Why is citric acid added to food?

to add color

to add tartness

to add bitterness

to add sweetness

The hydrogen bonding between two nitrogen trihydride (NH3) molecules is an example of

Predict the precipitate that forms when aqueous solutions of silver nitrate an potassium chloride react to form products in a double replacement reaction?

When you add water to calcium oxide it makes calcium hydroxide

Bicarbonate neutralizes the acid in chyme, which allows ___ from the pancreas and small intestine to function.

Arsenic produces a blue flame when heated. Calcium produces an orange-red flame. Which of these best explains why this difference occurs?

What will happen if an electric current is flowing through a cord and a magnet is brought near the cord?

Lithium has two isotopes. Li-6 and Li-7. Li-6 mass = 6.015121amu Li-7 mass = 7.016003amu Lithium Mass = 6.94049amu What is percent abundance of Li-6? I know that there is an equation: 6.

Why does an apple fall toward the earth, instead of the earth moving toward the apple?

If the moles and temperature of a gas are held constant, the pressure of a gas doubles when: Volume is halved Volume is quadrupled Volume is doubled Volume is also held constant

The life function of transport in an organism directly involves those activities used to 1. absorb and distribute materials 2. obtain and hydrolyze materials 3. release energy from food 4. produce cellular waste product