How many Joules of energy are required to change 10.0 gram of ice at -2.0 C to water at 20.0 C? (use your constants)

440 J

66,000 J

880

4220 J

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³