Calculate the number of hydrogen atoms in a 60.0 g sample of ammonia (NH3). Be sure...
Calculate the number of carbon atoms in a 90.0g sample of camphor C10H16O. Be sure your answer has a unit symbol if necessary, and round it to 3 significant digits.
Calculate the mass of hydrazine (N,H.) that contains a bilin (1.00x 109) hydrogen atoms. Be sure your answer has a unit symbol if necessary, and round it to 3 significant digits. 다10
O = CAL REACTIONG interconverting number of atoms and mass of compound Calculate the mass of hydrazine (N_H.) that contains a million (1.00 x 10) hydrogen atoms. Be sure your answer has a unit symbol necessary, and round it to 3 significant digits.
Interconverting number of atoms and mass of compound Calculate the mass of diphosphorus pentoxide (P,05) that contains a million (1.0 x 10°) phosphorus atoms. Be sure your answer has a unit symbol if necessary, and round it to 2 significant digits.
Calculate the mass of tetraborane B4H10 that contains a trillion ×1.0001012 boron atoms. Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.
Calculate the mass of vanadium(V) oxide that contains a trillion vanadium atoms. Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.
Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of 0.0085 M.5 : 2 NH3(g) → N2(g)+3H2(g) Suppose a 450. mL flask is charged under these conditions with 250. mmol of ammonia. After how much time is there only 125. mmol left? You may assume no other reaction is important. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. x s ?
Calculate the mass of glucose C H20 ) that contains a billion (1.0x 10') oxygen atoms. Be sure your answer has a unit symbol if necessary, and round it to 2 significant digits. x 6 ?
Calculate the mass of glucose (CH 20) that contains a trillion (1.000 x 10!2) carbon atoms. Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.
Calculate the mass of gold(III) chloride (Au,C16) that contains a million (1.000 x 10°) gold atoms. Be sure your answer has a unit symbol if necessary, and round it to 4 significant digits. x I ?