Which of these substances contains the most total atoms per molecule?

A) Na2PFO3

B) H2SO4

C) Ni (NO3) 2

D) NbCl5

The phosphorylation of glucose to glucose 6-phosphate Group of answer choices is so strongly exergonic that it does not require a catalyst. is an exergonic reaction not coupled to any other reaction.

A glass is filled with liquid. It is red on the top 3 inches and yellow on the bottom 4 inches. It is ... ? A.) a mixture B.) a pure substance C.) homogeneous mixture D.) heterogeneous mixture

Something breaking is an example of what kind of change? A. physical only B. chemical only C. physical and chemical

In a certain chemical reactions 9.11g of compounds A is add to 8.82g of compounds B once the reaction is complete 1.38 g of compounds A and 1.61 g of compounds B remain what mass of product was produced

A current of 0.15 A is passed through an aqueous solution of K2PtCl4. How long will it take to deposit 1.00 g Pt (s) (M = 195.1) ?

Sodium and chlorine can bond together. sodium gives chlorine a needed electron. what is chlorine's charge after accepting the electron?

What astronomical equiptment did hypatia use?

Name each activity or observation as either physical or chemical change. 1) Boiling water for pasta 2) Digesting food 3) Soda goes "flat" 4) Stretching a rubber band 5) Grilling a hamburger 6) Adding sugar to tea 7) Adding lemon to tea 8) Mowing the

Ironing a shirt is an example of ... convection conduction radiation condensation

Which compound conducts electricity only in the molten state? A. sodium bromide B. calcium hydroxide C. barium sulfate D. magnesium sulfate