The specific heat of water is 4.18 j/g•°c. how much heat does 225.0 g of water release when it cools from 85.5°c to 50.0°c? enter your answer below, in whole numbers, without any commas.

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o