DDT is: A. banned in the United States B. still being used in other countries C. to blame for the near extinction of some bird species D. all of the above

What is produced when an acid reacts with water? A. oxygen gas B. hydronium ions C. hydrogen gas D. an indicator

Which of the following is not a common property or characteristic of an acid? A. Reacts with active metals to produce hydrogen gas B. Slippery feel C. Sour taste D. Reacts with a base to produce a salt

What is the difference between h + concentration in an acidic solution such as lemon juice (ph 2) and a basic solution such as household bleach (ph 13) ?

What type of silicate minerals is shown from this arrangement of silicon tetrahedron?

What are some nonliving things in earth's enviroment.?

What is a compound? a) a combination of two or more substances that are not chemically combined b) a combination of two or more elements that are combined in a certain ratio

A gas has a volume of 75mL at a pressure of 200.0 kPa. What will be the new volume be in mL if the pressure is decreased to 60.0 kPa in sig figs

Give two reasons why it's important to work with a partner in a lab

Suppose you have 3.00*1018 reams of lead (pb). how many lead atoms do you have? express the number of atoms numerically.

Why is a chemical indicator added to the flask in which a titration will occur? to show when enough base has been added to determine the starting pH of the solution to neutralize the acid before adding the base to identify the starting volume of