Which word refers to the smallest functional unit of living thing

Select all the correct answers. What are three disadvantages of making and using plastic? a. it pollutes the land and water b. it requires cutting down trees from raw materials c. it takes an incredibly long time to break down d.

A sample of mercury has a mass of 119 g and a volume of 8.76mL. Calculate the density of mercury. (How do you do this!)

Describe in detail the relationship between chemical bonds and energy. What must be true of the bonds for a reaction to be endothermic, and what must be true for the reaction to be exothermic?

Find the temperature from 150ml cylinder containing 0.75 moles gas at 153kpa.

What scientist do that basis for their investigation

A sample of methane gas occupies 4.50 gallons at a temperature of 80.0 F. If the pressure is held constant, what will be the volume of the gas at 100. degrees C?

Jack wants to know if it takes longer for warm water to freeze into ice cubes than cold water, so he performed the following experiment. Jack placed 50 mL of water in the refrigerator and allowed it to cool to a temperature of 4°C.

How to calculate average concentration

Suppose that you measure a pen to be 10.5 cm long. Convert this to meters.

How are amounts of hydrogen and oxygen gas made from the electrolytic decomposition of water related to the chemical formula of water?