The H20 ion concentration of a solution is 1 x 10-4 mole per liter. This solution is

A) acidic and has a pH of 4

C) acidic and has a pH of 10

B) basic and has a pH of 10

D) basic and has a pH of 4

2 C2H6 + 7 02 - > 4CO2 + 6H2O If 15 g of C2H6 react with 45 g of O2, how many grams of water will be produced?

Which of the following statements is true of asexual reproduction? A. Offspring have different combinations of genes ... B. Offspring have half of their genes from the male parent. C. Offspring have the same genes as the parent. D.

when 200. milliliters of an HNO3 solution is exactly neutralized by 250 milliliters of a 0.50 M solution of KOH, what is the concentration of HNO3

Use the electron configurations and the periodic table to answer the questions: HEILL 1s 2p Which element is this? fluorine (F) carbon (C) nitrogen (N) oxygen (0)

Which of the following is correct? Gas atoms subjected to electricity emit bright lines of light. Gas atoms absorb white light and emit a continuous spectrum of light. Gas atoms under high pressure emit dark lines against a continuous spectrum.

What will be the outcome of putting litmus paper into bleach? a. red paper turns blue, blue paper turns red b. red paper does not change, blue paper turns red c. red paper turns blue, blue paper does not change d.

What makes it possible for ships to float?

How many moles of water will be produced when 3 moles of ethane are burned

What is an exothermic chemical reaction? a. It is a reaction that converts matter to heat. b. It is a reaction that requires heat to proceed. c. It is a reaction that draws heat from its surroundings. d.

Chemical equation for liquid ethyltoluene