1. What do the arrows in a food chain or food web represent?

When equal moles of each reactant are used, which type of reaction will produce a slightly basic solution? strong acid - strong base strong acid - weak base weak acid - strong base None of these are correct.

The temperature of a system rises by 45°C during a heating process. Express this rise in temperature in Kelvin. (Round the final answer to the nearest whole number.)

How will food coloring behave when added to beakers with different water temperatures?

How much energy is equal to 1 kg of mass?

If 6 moles of hydrazine react with an excess of oxygen, how many moles of water will be produced?

A intramuscular medication is given at 5.00mg/kg of body weight. What is the dose in grams for a 180-lb patient?

Nuclear fusion is the source of energy for stars. Besides hydrogen, which other element is most likely also common in stars?

Since the early 2000s, careers in the field of genetics have grown at a rapid pace. Which of these is a probable cause for this explosion of available and expanding jobs?

How many litres of 0.215 m NaCl contains 4.30 mol of this salt? Assume this solvent is H2O I'm confused on this question because little m is molality but when I looked this up on google, someone solved the problem assuming it was molarity

How can a neutral atom become a positively-charged particle?