Which is an example of an endothermic reaction?

combustion of fuels

burning of wood

cellular respiration

photosynthesis

nuclear explosion

The specific heat of aluminum is 0.900 j/g•° c. how much heat is required to raise the temperature of a 30.0 g block of aluminum from 25.0°c to 75.0°c?

Which of the following best describes sublimation? A: A solid melting to a liquid B: A solid melting to a liquid, which then evaporates C: The movement of gaseous particles so that they fill the space they occupy D: A solid forming a gas

If the substances below, which is best able to conduct electricity? a. KBr (l) b. NaC₂H₃O₂ (s) c. C₆H₁₂O₆ (aq) d. CH₃OH (aq) e. NaCl (s) It would be great if you could add a few words of explanation

Removing energy from neon gas may cause which of the following outcomes

What is the 25 element in chemistry

The line of longitude used as the origin in a system of coordinates

In the ground state, has only 1 electron in a p orbital. A. carbon B. fluorine C. hydrogen D. nitrogen E. aluminum

Which of the following is a mixture? alcohol water mercury ink

A gas occupies 3.5 L at standard pressure. Find the volume of the gas when the pressure is 1.5 atm.

What is the temperature (in K) of 16.45 moles of methane gas in a 4.95 L container at 4.68 atm?