Which of the following choices represents a balanced chemical equation? a. ca3(po4)2 + 6sio2 → p4o10 + 3casio3 b. 2ca3(po4)2 + 6sio2 → p4o10 + 6casio3 c. 2ca3(po4)2 + 3sio2 → 2p4o10 + 2casio3 d. 3ca3(po4)2 + 2sio2 → p4o10 + 4casio3

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction