Why are meerkats considered to be part of an ecosystem

5. Explain which heated up faster water (specific heat 4.18 J/gK) or oil (specific heat 1.67 J/gK) :

Hydrogen is a liquid below what temperature? a. 100 degrees C c. -183 degrees C b. -253 degrees C d. 0 degrees C

An atom is the basic building block of matter. An atom is made up of three smaller parts: the proton, neutron, and electron. Which item is the largest?

How does the kinetic molecular theory explain the pressure exerted by gases

What type of reaction is this mg + 2hcl - > mgcl2 + h2 a. decomposition b. synthesis c. double-displacement d. single-displacement

How many atoms of oxygen are there in one molecule of carbon dioxide, if the chemical formula is CO2? 0 1 2 3

The speed of a chemical reaction a. is constant no matter what the temperature is. b. is independent of the amount of contact surface of a solid involved. c.

Find the de Broglie wavelength (in nm) associated with an electron that is moving with a velocity of 5230 km/s. The electron rest mass is 9.11 x 10⁻³¹ kg.

Baby Caitlen is about to turn one year old. She loves to play peek-a-boo and acts so surprised each time a hidden face appears behind her dad's hands. Why is she surprised?

8. What is an energy level? A) The region outside the nucleus where the neutron is likely to be moving. B) The region outside the nucleus where the electron is likely to be moving.