The mechanical advantage of a door knob that allows you to move a boli

0.01 m by moving the handle 0.50 m is

A. 0.05

B. 0.50

C. 5.0

D. 50

How many helium atoms are there in a helium blimp containing 535 kg of helium?

How do I balance this equation? Cr2O3 (s) + C (s) →Cr (s) + CO (g)

Consider the elements bromine and chlorine; which elements has a larger ionic radius?

Which type of radiation does not produce a particle? A. Acid-base B. Alpha C. Gamma D. Beta

How does food in a fridge cool down

Question 6 if a gas pressure gauge reads 32.0 psi, what is the pressure in inches of mercury? 165 in. hg 15.7 in. hg 65.1 in. hg 32.0 in. hg 6.19 in. hg

A line in the Brackett series of hydrogen has a wavelength of 1945 nm. From what state did the electron originate?

Convert 4.5 hours to seconds

Gasoline catches on fire is it flammability?

Enzymes are proteins that speed up chemical reactions in the body how do they work A. they increase the surface area of reactants B. they increase the concentration of reactants C. they decrease the concentration of products D. They act as reactants