calculate the work, ������ , and energy change, δ������rxn , when 20.44 g cu2o(s) is oxidized at a constant pressure of 1.00 bar and a constant temperature of 25∘ c .

When an object is heated it contracts. a. true b. false

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it