Which of the following measurements is written with two significant figures?

A. 0.00400 mL

B. 0.00404 mL

C. 0.00044 mL

D. 0.00440 mL

How will the following system react when an increase in pressure occurs? Note: all species are gases. N2O4 2NO2 Question 9 options: a. More N2O4 is produced. b.

Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the 14C has decayed to 1/4.00 of the original amount. How long ago was this plant alive?

According to its periodic table entry, how many electrons does nitrogen have in its valence level?

Chemical formula for yogurt?

The world's population: is unequally distributed lives primarily in agricultural areas decreases slightly each year all of the above

How does heat transfer takes place between any two systems?

Hydrate name of CaCl2 * 8 H2O

Calculate the heat evolved from a mixture of 14.1 l of sulfure dioxide

Which stament best describes a solution

Which answer accurately describes the difference between speed and velocity? Read each answer choice carefully. Question 4 options: A. If speed is constant, then velocity is also constant. B. Speed requires direction.