Asample of aluminum absorbs 9.86 j of heat, upon which the temperature increases from 23.2°c to 30.5°c. since the specific heat capacity of aluminum is 0.90 j/g-k, what is the mass of the sample?

Gymnast always perform on padded mats. how does the mats protect the gymnast

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

How does a coronal mass ejection (cme) affect the solar wind? a cme adds more particles to the solar wind, intensifying it. a cme blocks the solar wind, causing it to fade. a cme does not affect the solar wind but it does affect auroras. a cme increases the amount of energy in the solar wind.