Please help 1) If I have 7 moles of C3H8, how many moles of CO2 will be produced based on the balanced equation?

2) If I have 25g of C3H8, how many grams of CO2 will be produced?

3) If 26grams of C3H8 is ignited to a temperature of 350 degrees celsius, then cooled to 75 degrees celsius, how much heat energy will be released if the specific heat of C3H8 is 1.68 J/g C?

Growing crops in places where major pests don't live using beneficial insects to eat harmful insects using a rat trap instead of a rodenticide developing drought-resistant tomato plants using beneficial insects or natural oils to repel pests planting a different crop every year to fake out the pests keeping food covered to deter ants and rodents developing bean plants with a resistance to fungus picking caterpillars off tomato plants cultivation practice biological control cultural control genetic resistance natural chemicals