Asolution is made by dissolving 17.3 g of magnesium nitrate in water to a final volume of 475 ml solution

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.