Which example best shows conservation of resources?

leaving the water running when brushing your teeth

recycling aluminum cans and glass bottles

driving a gas powered car when taking a short trip

using a disposable plastic bag every shopping trip

By the reaction of carbon & oxygen, a mixture of CO & CO2 is obtained. What is the composition by mass of the mixture obtaind when 20 grams of O2 reacts with 12 grams of carbon?

What does it mean for an acid and base to neutralize each other?

Which characteristics is not a characteristic of plastic? A. Easy to mold B. Good conductor of heat C. Lightweight and durable D. Repels water.

What would be the greatest difference in using an open ceramic coffee mug rather than an insulated mug with a lid as a calorimeter? 1. increased evaporation of the water 2. loss of gaseous reactants 3. inability to contain liquids 4.

If the pKa of HCHO2 is 3.74 and the pH of an HCHO2/NaCHO2 solution is 3.89, which of the following is TRUE? If the pKa of HCHO2 is 3.74 and the pH of an HCHO2/NaCHO2 solution is 3.

What does the Aufbau principle state? a. Electrons will be added to an atom in a random order. b. Electrons will be added to an atom starting from the lowest possible level or sublevel. c. Electrons will be added to an atom in a symmetrical manner.

How to calculate wavelength

An ice cube at 0.00 ˚C with a mass of 8.32 g is placed into 55 g of water, initially at 25 ˚C. If no heat is lost to the surroundings, what is the final temperature of the entire water sample after all the ice is melted (report your answer to three

When metals combine with nonmetals the metallic atoms tend to

Which type of bond forms between water molecules? a. strong bond b. hydrogen bond c. covalent bond d. polar bond