I need help question in pic “Your friend tells you that a chemical reaction occurs in a car engine by using gasoline and oxygen. Explain what happens to the mass and Atoms of the gasoline and oxygen.”

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?

Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro