Which of the reactions are spontaneous (favorable)? C4H4O5⟶C4H2O4+H2OΔ=3.1 kJ/mol

C6H13O9P+ATP⟶C6H14O12P2+ADPΔ=−14.2 kJ/mol

glutamate+NAD++H2O⟶NH+4+α-ketogluta rate+NADH+H+Δ=3.7 kcal/mol

L -malate+NAD+⟶oxaloacetate+NADH+H+Δ= 29.7 kJ/mol

C2H4+H2−→−−Rh(I)C2H6Δ=−150.97 kJ/mol

DHAP↽−−⇀glyceraldehyde-3-phosphateΔ =3.8 kJ/mol

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars