If I pour 25 g of apple juice (c = 3.83) with an initial temperature of 40 °C into 35 g of water (c = 4.314) with an initial temperature of 70 °C, what is the final temperature of
the system?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness