How does volvox differ from other protists

What is the reason for heat transfer from one substance to another? A. difference in pressure B. difference in volume C. difference in temperature D. difference in mass

In the modern periodic table when elements are arranged according to their atomic

Select the correct answer. How does activation energy affect a chemical reaction? A. It increases the energy of the reactants. B. It determines how difficult it is to start the reaction. C. It determines how much product can form. D.

An object's mass never changes but this will change its weight is

At 25°c, e° = + 1.88 v for a cell based on the reaction 3 agcl (s) + al (s) → 3 ag (s) + al3 + (aq) + 3 cl - (aq). find the cell potential e if [al3+] = 0.20 m and [cl-] = 0.010 m.

Solve the ODE below subject to the initial condition Q (0) = 131. Q′ (t) = k (Q-70) If Q represents the quantity of ice crystals measured over time, then calculate Q at t=1 seconds for k=-0.8 / second. Enter your answer in decimal notation (only).

What is the chemical equation of BaO+O2→BaO2?

If you wanted to study the science of describing, naming, and classifying organisms, what would you study?

The specific heat of silver is 0.234 j / (g·c). calculate the amount of energy that is needed to raise the temperature of 175 g of silver from 22.5°c to 40.0°c.

Gypsum is hydrated calcium sulfate. a 4.89 g sample of this hydrate was heated. after the water was removed, 3.87 g anhydrous calcium sulfate remained. determine the formula of this hydrate and name the compound.