Fusion reactions are commercially viable because they require low energies to initiate and sustain a reaction.

True

False

Fungi do not contain chlorophyll. True False

If 18.9 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia?

Which would be best categorized as heat transfer by convection? A) Wearing a white shirt to stay cool on a summer day.

Pure water is neutral. What is the appropriate justification for this? Water has equal H + and OH - ions, making its pH 7, which is considered a neutral pH. Water has more H + than OH - ions, making its pH 5, which is considered a neutral pH.

Determine the final temperature after 52.5 g of copper (c = 0.385 J/g  C) at 93.6  C is placed into 225 g of water at 21.3  C.

All organisms need energy from food in order to survive. Plants produce their own food through photosynthesis. Animals must find external sources for food. Which of the following is true? A. Plants are autotrophs, and animals are heterotrophs. B.

What is effective nuclear charge of S2 - and S? Does the Zeff differs from ions and atoms of the same element.

You live 15.0 miles away from a shopping center and wish to calculate the distance in feet. There are 5280 ft in one mile

What is shielding effect?

If you stand up in a rowboat and take a step towards the dock, you may fall in the water. Explain what happens in this situation. How is it similar to what happens when you take a step on land? How is it different?