During which type of process is heat absorbed from the environment?

a. kinetic

b. exothermic

c. volumetric

d. endothermic

Many sponges can reproduce asexually. Ladybugs, on the other hand, reproduce sexually. When small bits of a sponge are broken off-often by currents or by predators--they can float to new regions and regenerate as new sponges.

Which of the following is a reasonable ground-state electron configuration? 1s^21p^62s^22p^63s^2 1s^22s^22p^63s^23p^64s^24d^8 1s^22s^22p^63p^6 1s^22s^22p^63s^1

Calculate the percent composition of the compound that forms when 222.6 g N combines completely with 77.4 g 0. calculate to the nearest tenth of a percent.

Where would you expect clouds and precipitation to form in each type of occluded front?

Ca + H2SO4 single replacement

Balance the following oxidation-reduction reaction: Fe (s) + Na + (aq) →Fe2 + (aq) + Na (s) Express the coefficients as integers separated by commas (e. g., 4,1,3,2, where 1 indicates the absence of a coefficient).

What are the three sub-types of convergent plate boundaries

Which phrase describes an atom

How many moles of NH3 are in 0.250 L of a 5.00 M aqueous solution?

There are different types of bonds based on electronegativity. One bond type is known as non-polar covalent. Which choice below has this bond type? A. all of the compounds B. H2 C. H2O D. NaCl