What is the meaning of the word Polar (science) in your own words?

What is the meaning of the word Polar Covalent bond (science) in your own words?

What is the pH of a solution with [H ] = 1.25'10-10?

A 276.0 g piece of granite, heated to 596.0°C in a campfire, is dropped into 1.45 L water (d = 1.00 g/mL) at 25.0°C. The molar heat capacity of water is cp, water = 75.3 J / (mol ·°C), and the specific heat of granite is cs, granite = 0.

Select all that apply. What is common about the elements of a period? They have the same number of electron shells. They have similar chemical characteristics. They have similar physical characteristics. They transition from a metal to noble gas.

What would be the pH of a solution whose [OH-] is 2.8 * 10-5M?

A reaction is exothermic when Group of answer choices weak bonds break and strong bonds form. strong bonds break and weak bonds form. strong bonds break and strong bonds form. weak bonds break and weak bonds form.

Why do cells have a plasma membrane? A. to separate protein from the nucleus B. to distinguish plants from animals C. to define the size of the cell D. to separate the inside of the cell from its enviroment

Base on its molecular mass, what is the molar mass of iron

For the following reaction in aqueous solution, identify all those species that will be spectator ions. Select all that apply. Na, SO4+Hg (NO3) 2HSO4+2NaNO3 Choose one or more: A. Hg2S04 B. Na2S04 C. Nat D. NO3 E. SO42- F. Hg2 (NO3) 2 G. NaNO3 H.

One mole of which hydrocarbon requires 8 mol o2 to achieve complete combustion to give carbon dioxide and water?

How many bromine atoms are present in 39.9 g of CH2Br2