Which changes will decrease the electric force between two positively charged objects? Check all that apply.

moving them closer together

moving them farther apart

adding electrons

removing electrons

adding neutrons

removing neutrons

Chemistry problem. Is alcohol soluble in water?

A 52.8-g sample of glucose (a nondissociated, nonvolatile solute with the formula C6H12O6) is dissolved in 158.0 g of water. What is the vapor pressure of this solution at 100°C?

Iron metal can be produced from the mineral hermatite, Fe2O3 by reation with carbon Fe₂O3 + C Fe + co2 balance the equation How many grams of carbon are needed to react with 525g of hermatite

Susan needs to measure and heat the chemical she wants to use in an experiment with a graduated cylinder. Which graduated cylinder is suitable for use? A) Plastic cylinder B) Glass cylinder C) Metal cylinder

A gas occupies 200 mL at - 73°C. To have the same gas occupy 300 mL:Should the temperature be increased or decreased?

Explain how will you know the mass of the water in your experiment?

Convert 5 moles H2O to liters

How many moles of sulfur atoms are in 2.408 x 10^24 atoms sulfur?

According to Rutherford, what does the nucleus contain?

When is alpha particle emission most likely to occur? A. When the nucleus has more than 83 protons. B. When the ratio of neutrons to protons in the nucleus is too high to be stable. C. When the nucleus has a mass of more than 83 amu. D.