Which of the following displays the correct change in enthalpy and best describes the reaction below? 2cscl(aq) + na2so4(aq) 2nacl(aq) + cs2so4(aq) given: cs2so4: ∆h= -1400 kj cscl: ∆h= -415 kj na2so4: ∆h= -1380 kj nacl: ∆h = -411 kj

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

What is the relationship of air masses and the temperature of oceans?

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.