When do scientist rely on estimates

The greater the specific heat of a substance: a. more heat energy is required to change the temperature b. less heat energy is required to change the temperature c. it has no effect on the temperature change

A patient gets 2.1 L of fluid over 19 hours through an IV. The drop factor is 20 gtt/mL. Calculate the drip rate in drops per minute (gtt/min)

Explain how hurricanes form

Which of the following are always the same for atoms of the same element? Mass of an atom Atomic number Neutron number Mass number

How many moles is 3.52 x 10²⁴ molecules of water?

What is the mass (in grams) of 9.09x10^24 molecules of methanol (CH3OH) ? AND How many moles of N are in 0.183g of N2O?

What are the basic building blocks of matter? A) molecules B) atoms C) electrons D) compounds

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?

8. Write a balanced chemical equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, and Cas.