Why on the pH scale does a Acid go to 0-6.9 but Bases go up to 7.1-14. What happened to the 7.0? Does it not mean anything or do anything?

Which reactants form the salt CaSO4 (s) in a neutralization reaction? (1) H2S (g) and Ca (ClO4) 2 (s) (2) H2SO3 (aq) and Ca (NO3) 2 (aq) (3) H2SO4 (aq) and Ca (OH) 2 (aq) (4) SO2 (g) and CaO (s)

Marc was told his dinner would be ready at 18:00. He left his house at 12:00 and traveled in his car at an average speed of 45 mph to his moms house 300 miles away. Did Marc make it in time for dinner

What stress will shift the following equilibrium system to the left? N2 (g) + 3H2 (g) ⇌ 2NH3 (g)

Which of the following types of rocks forms from cooling lava at earth's surface A. Metaphoric B. Igneous C. Sedimentary

How many grams of aluminum hydroxide are obtained from 13.7 g of aluminum sulfide?

If a 860. ml of linseed oil has a mass of 680 g, what is the density of the oil

Without any force to change it, an object at rest stays at rest and an object in motion stays in motion. This demonstrates which of Newton's Laws? Question 3 options: (A) Newton's First Law (B) Newton's Second Law (C) Newton's Third Law

You are examining the DNA sequences that code for the enzyme phosphofructokinase in skinks and Komodo dragons.

Scientists are often interested in knowing the molar heat of combustion the heat released during the combustion of one molar of a substance use a periodic table to find molar masses. How many moles of ethanol are present in the sample? ? Mol

Which of the following is not a source of air pollution related to human activities