Answer the following questions:

Which of the following represents the MOST energy? 1J 1cal 1 Cal 1kJ If a 10-gram sample of cheese contains: 4g fat 4g protein 2g water How many Calories would you expect the 10-g sample of cheese to contain? 10Cal not enough information 52Cal 36 Cal What happens to the density of water when it slowly freezes? density decreases density increases no change to density In soft water the magnesium and calcium ions have been replaced with the following metal ions? iron potassium sodium zinc Which of the following does NOT prevent/slow bacterial growth? addition of high concentration of salt warming to 30C dehydration freezing