30. The theories on the expansion of the universe (2 points) A. may harm science if proved invalid
B. may be proved invalid by new discoveries
C. are weakened by frequent examinations
D. are too durable to change when re-examined

In an effort to address concerns about global warming, a power plant in portland, oregon is designed to take all of its exhaust gases from its boilers and recycle the co2 using the solvay process to make sodium hydrogen carbonate. the reaction is shown below. nh3(g) + h2o(l) + co2(g) + nacl(aq) → nahco3(aq) + nh4cl(aq) how many liters each of nh3 and co2 (both at stp) would be consumed to produce 3.00 kg of sodium bicarbonate? the volume of both nh3 and co2 would be

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above