When $100 \, ml$ of $0.1 \, M$ $H_2SO_4$ reacts with $Na_2CO_3$, how many liters of $CO_2$ will be produced at $STP$ (in $L$)?

The reaction of $1 \ mol$ of magnesium nitride with excess water gives:

An average person needs about $10000 \ kJ$ energy per day. The amount of glucose (molar mass $= 180.0 \ g \ mol^{-1}$) needed to meet this energy requirement is $..... \ g$.
(Nearest integer)
(Use : $\Delta_{c} H(\text{glucose}) = -2700 \ kJ \ mol^{-1}$)

The $\Delta H^o$ of combustion of $C_4H_{10(g)}$ is $-2650 \ kJ \ mol^{-1}$. The amount of heat evolved at constant pressure that can be obtained by burning $5.8 \ kg$ of $C_4H_{10}$ is approximately:

$7.5 \ g$ of a gas occupies $5.8 \ L$ of volume at $STP$. The gas is

How many grams of dibasic acid (mol. wt. $200$) should be present in $100 \ mL$ of its aqueous solution to give decinormal strength?