KOH is an base or acid

Which of the following is not a simple machine A pulley B Elevator C screw D wheel and axle

Why is nitrogen fixation such an important step in the nitrogen cycle? Question 7 options: Bacteria convert the fixed nitrogen back into N2. Soil nitrogen is different. Decomposers need to use NH4+. Plants can't use nitrogen in the form of N2.

Convert 14 millimeters to it equivalent in meter

Use the drop-down menus to match the type of intermolecular force to its name. Dipole-dipole interactions Dipole-induced dipole interactions London dispersion forces Hydrogen bond van der Waals forces

Penny bought a club moss plant for her water garden. She needs to know how tall the plant will grow so she knows how much space it will need.

A gas held at constant volume is heated from - 5 ºC to 50 ºC, if the initial pressure is 1.0 atm, what is the new pressure the gas exerts?

Unknown element x is a metal that ionically bonds to sulfur. is the formula, x3s feasible? why or why not? a) it is feasible. the three metallic ions each receive an electron from sulfur. b) no, it is not feasible.

What is the difference between a period and a group on the periodic table

Oil flows upward in the wick of a lantern because of the liquid property called A. density. B. meniscusity. C. viscosity. D. capillarity.

What causes atomic radii to increase within a group on the periodic table?