1. The temperature of 256g of water changed from 25.8 degrees C to 27.2 degrees C. How much heat did the sample absorb Cp for water=4.184J/g degreeC 2. How much heat in joules has to be removed from 137g of water to lower its temperature from 26.0 degrees C to 23.7 degrees C

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.