4. In your 350 g of solution containing 35 g of sugar, what is the percent concentration of the sugar? (show your work)

All motion is caused by force? true or false

What is the value of the standard enthalpy of formation of an element in its most stable form?

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3