Which organism has a central brain? A fish B flatworm C sponge D hydra

What is the equilibrium equation for the reaction: nh4no3 (s) ⇌ n2o (g) + 2 h2o (g) ?

Running a mile involves

The ph of a popular soft drink is 3.4; what is its hydronium ion concentration?

What are the four models of atoms

Which organ (s) would be responsible for this trait? Select two options.

Which of the following is an example of an electric force that occurs in atoms

5. What is another name for Newton's first law in your own words.

The molar mass of magnesium (Mg) is 24.30 g/mol. There are 6.02 1023 atoms in 1 mol. How many atoms are present in 48.60 g of Mg? 3.32 10^-24 atoms 1.96 10^-21 atoms 1.20 10^24 atoms 7.11 10^26 atoms

Add 3.76 * 104 and 5.5 * 102 and write the answer in scientific notation. A. 9.26 * 104 B. 9.26 * 106 C. 3.82 * 106 D. 3.82 * 104

In a dynamic equilibrium between the liquid state and the gas state, what is true about the rate of evaporation? a. greater than rate of condensation b. less than rate of condensation c. equal to rate of condensation d. cannot be determined.