Assign oxidation states to each atom in each of the following species.?

1. CuC2

the oxidation states of Cu, Cl

2. CH4

the oxidation states of C, H

3. Cr2O7^2-

the oxidation states of Cr, O

4. HCO3^-

the oxidation states of H, C, O

After 5 trials from ronald and Maria calculate the experiment disagree of aluminum to be 2.54 g centimeter square if the actual density of aluminum is 2.7 g center cubic what is a percentage error rounded to the nearest whole number

If 76 grams of Nal are dissolved in enough water to make 225.0 mL of solution, what is the molarity of the solution? (2.25 mol/L)

Define prediction and explain how it is used to formulate a hypothesis.

What is the compound h2so4?

What volume of a 0.580-m solution of cacl2 contains 1.28 g solute?

What is the square root of 54554? What is the square root of 35654?

Halogens have ... Electron affinity

Observe: Change the Surface area from Minimum to Maximum. You can imagine that a solid reactant has been dissolved in a liquid. How does this change how many Reactant B molecules are exposed to Reactant A?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.

What is the example to the word camouflage