Question

TRUE FALSE. Write T if the statement is true and 'F if the statem 46) The law of conservation of mass states that matter chemical reaction IF if the statement is false. states that matter cannot be gained or lost during a 40) 47) In electrolysis, electrical energy is used to drive a reaction to occur. By is used to drive a non-spontaneous oxidation-reduction 47) 70) During an oxidation-reduction reaction the oxidizing agent loses electron 149) The formula mass of a compound is calculated by addine together the number of a that make up the compound. " by adding together the number of atoms 49) 50) One atomic mass unit is the same as one gram. 51) All compounds containing both oxygen and hydrogen will exhibit hydrogen bonding. 52) Metals conduct electricity well due to the mobility of the metal ions in the solid. 53) One gram of gold (atomic mass 197 amu) contains more atoms than one gram of copper (atomic mass 63.55 amu). 54) The density of hydrogen gas is lower than that of uranium hexafluoride (UF) as if both are measured at STP. 55) One mole of iron contains 6.022 x 1023 grams of Fe.

Answer 1

Page Page The hood Censnation of mass states that mas un on isolated to system is neither created nos destreged by Chemical reaction of fingid Swarohen. In electrolysis, electrical energy is used to drive a non-spongtarcous onidation reduction reaction to oceur They are often used to decompose chenral compounds, in a procen calld Dechrityses. During an one dation - reduction reaction reducing agent loses destins and Is ondered in a chemical reaction