At 20 °C, sugar has a solubility of 203.9 g, how much water we need at minimum to dissolve two (2) pounds of sugar?

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

Which change to the system wood cause the freely-moving piston to lower?

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals