Mercury has an average distance to the sun of 0.39 AU. In two or more complete sentences, explain how to calculate the orbital period of Mercury and then calculate it.

Why is glass a good substance for storing chemicals

A beaker contains 100 mL of NaOH solution at pH = 13. A technician carefully pours into the beaker 10 mL of HCl at pH = 1. Which of the following statements correctly describes the results of this mixing? a. The concentration of Na⁺ ion rises. b.

How do you solve Avogadro's law

A rock contains uranium 238 which has a half life of 4.5 billion years. if the rock is crushed and heated, the half life in urainium-238 will

In the balanced reaction and using the mole ratio: CH4 + 2 O2 → CO2 + 2 H2O How many moles of oxygen are required to burn 6 moles of methane (CH4) ? a. 2 b. 6 c. 24 d. 12

Can y'all give me some examples of physical changes

A nitrogen-containing compound shows no absorption band at ∼3400cm-1 and no absorption bands between ∼1700cm-1 and ∼1600cm-1. what class of compound is it

What is the mass of 35.2 ml of a solution that has a density of 1.12 g/cm (in dimensional analysis)

What is the molecular geometry, or shape, of beryllium chloride (becl2) ?

What is the best category for nf3? 1. amphoteric ion 2. lewis acid 3. salt 4. bronsted-lowry acid 5. arrhenius acid 6. arrhenius base 7. lewis base 8. weak electrolyte?