If the heat of combustion for a specific compound is -1320.0 kj/mol and its molar mass is 71.83 g/mol, how many grams of this compound must you burn to release 543.00 kj of heat?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

Aplayground slide is 8.80 ft long and makes an angle of 25.0° with the horizontal. a 63.0-kg child, initially at the top, slides all the way down to the bottom of the slide. (a) choosing the bottom of the slide as the reference configuration, what is the system's potential energy when the child is at the top and at the bottom of the slide? what is the change in potential energy as the child slides from the top to the bottom of the slide? (include the sign of the value in your answer.)