Petrochemicals are used to produce all but which of the following?

a. Firewood

b. textiles

c. pharmaceuticals

d. all of these answers

What processes occur in a plant leaf?

Which habitat would have the least variation in its salinity?. a ... salt marsh. b ... mangrove forest. c ... lake. d ... estuary

How many milliliters are in 17.5 l? 175 ml 1.75 x 10-2 ml 1.75 x 103 ml 1.75 x 104 ml?

For clouds to form, water vapor in the air must condense and change from a gas to a liquid. What must water molecules do as part of this process? A. come close together and stick to each other B. escape into the surrounding air C.

Which products would result from the double replacement reaction between mgcl2 (aq) and na2co3 (aq) ?

Alka-Seltzer is a solid mixture of two substances, sodium bicarbonate (NaHCO3) and citric acid (H3C6H5O7). The substances react to form water, carbon dioxide (CO2), and Na3C6H5O7.

Four properties of water are listed. 1. It is colorless and odorless in its pure form. 2. It reacts with metals to form metal hydroxide and hydrogen gas. 3. When heated to 100 °C, water evaporates. 4. It decomposes to form hydrogen and oxygen.

Water is A. Acidic B. Basic C. Neutral

What variables affect the acceleration of an object and in what manner do they affect the acceleration?

How do valence electrons relate to the chemical reactions of an element?