When parallel light rays exit a convex lens, they.

Write a balanced chemical equation describing the oxidation of Cl2 gas by Cu3 + to form chlorate ion (ClO3-) and Cu2 + in an acidic aqueous solution.

If you have a string of lights and one light goes out but the others stay lit, which type of circuit do you have? A. short B. parallel C. series D. broken

What was the ratio in the formula for iron (II) oxide

Is the periodic table organized by ions and what does form the same kinds of ions mean?

A 2.61 g sample of a substance suspected of being pure gold is warmed to 72.8 ∘C and submerged into 15.8 g of water initially at 24.9 ∘C. The final temperature of the mixture is 26.1 ∘C.

Calculate the formula mass for each compound. a. NO2 b. C4H10 c. C6H12O6 60. Calculate the formula mass for each compound. a. MgBr2 b. HNO2 c. CBr4 d. Cr (NO3) 3

How many electrons will calcium gain or lose when it forms an ion?

Which statement describes thermal energy? the energy that is associated with electric fields the energy that is stored in chemical bonds the energy that is associated with the pull of gravity the energy that is associated with temperature

Give the formula %error = theoretical value - experimental value / theoretical value * 100 calculate the percent error for the experiment.

A baker touches a pie right after taking it out that of me which statement best explains why the pie feels hot