Why is DDT a dangerous environmental pollutant?

Because it remains in the environment for a long time.

Because it is very volatile.

Because it reacts readily with other compounds.

Because it takes electrons from other compounds and elements.

The sources of errors in the kinetic experiment are: a. Tools b. Personal c. Method d. All of the above

What volume of hydrogen gas can be produced by reacting 4.20 g of sodium in excess water at 50.0 Celsius and 106 kPa? The reaction is 2Na + 2H20 - - > 2NaOH + H2.

Which compound has the smallest percent composition by mass of chlorine

A chemist dissolves 660. mg of pure hydroiodic acid in enough water to make up 300. mL of solution. Calculate the pH of the solution. Round your answer to 3 significant decimal places.

Question 3 options: how many moles of argon atoms are present in 11.2 l of argon gas at stp?

How does a change in temperature affect the kinetic energy of the particles in a reaction?

Which characteristic best identifies an Arrhenius base

Which statement correctly describes why a compound is a pure substance? O A compound is not a pure substance because each of its molecules is m elements A compound is a pure substance because its molecule cannot be broken O A compound is not a pure

What negative impact did chemistry have on society through the production and use of chlorofluorocarbons?

A food web shows the easiest way to get the most energy out of a producer the path a producer has to take to reach the top of the web how all organisms are connected through energy all of the possible energy pathways through an ecosystem