Ahot bowl of soup cools according to newton's law of cooling. its temperature (in degrees fahrenheit) at time t is given by t(t)=68+), where t is given in minutes.

a. what was the initial temperature of the soup?
b. what is the temperature of the soup after 15 minutes?
c. how long after serving is the soup 125 degrees f?

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation