A physiological saline solution has a concentration of 0.90 % m/v NaCl. Which of these solutions is hypotonic to the saline solution?

A) 0.25 % m/v NaCl

B) 0.90 % m/v NaCl

C) 1.00 % m/v NaCl

D) 1. 90 % m/v NaCl

Which choice is an example of a decomposer? A. Bat B. Tree C. Fungi or D. Sun

The mass of a 2.0 centimeter sample of a substance is 3.2 grams. Calculate the density of the substance

If pecans sale for three dollars per pound and there are 127 pecans per pound how many pecans can you buy for $14.12

What is the mole ratio of D to A in the generic chemical reaction? 4A + B - -> C + D

Explain the difference between what forms when 2 continental plates collide and what forms when 2 oceanic plates collide?

A chemist determined by measurements that 0.050 moles of aluminum participated in a chemical reaction. Calculate the mass of aluminum that participated in the chemical reaction. Be sure your answer has the correct number of significant digits.

In 1901, Thomas Edison invented the nickel-iron battery. The following reaction takes place in the battery. Fe (s) + 2 NiO (OH) (s) + 2 H2O (l) Fe (OH) 2 (s) + 2 Ni (OH) 2 (aq) How many mole of Fe (OH) 2, is produced when 5.35 mol Fe and 7.

As you move from left to right across the periodic table, the atomic numbers increase decrease stay the same are random

Use the octet rule to predict the formula of the compound that would form between fluorine and iodine, if the molecule contains only one fluorine atom and only single bonds are formed.

64.0 grams of Sulfur Dioxide absorbed 5.00 kJ of heat and immediately evaporated. With this information, calculate its molar enthalpy of vaporization in units kJ/mol.