The electric kettle is supplied with 2500 joules of energy each second and the water in the kettle gains 2200 joules of heat energy each second. Calculate the amount of energy wasted each second.

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m

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

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3