How is blood different after it is pumped through the gills? Select all that apply. It has less carbon dioxide than

when it entered the gills.

It has more oxygen than when

it entered the gills.

It has more carbon dioxide

than when it entered the gills.

It has less oxygen than when it

entered the gills.

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Find the mass in grams of 1.37x1020 particles of h3po4

Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.

What is the enthalpy of combustion (per mole) of c4h10 (g)? –2,657.5 kj/mol –5315.0 kj/mol –509.7 kj/mol –254.8 kj/mol