Round off 0.0008769 to three significant digits.

N aqueous solution of sodium hydroxide is standardized by titration with a 0.154 m solution of hydrochloric acid. if 17.5 ml of base are required to neutralize 17.6 ml of the acid, what is the molarity of the sodium hydroxide solution?

1.) Describe specialized feeding structures of parasitic platyhelminths. 2.) Some parasitic flatworms have a very complicated life cycle with more than one host. Infer why this might be adaptive. 3.

One factor that can increase sensitivity to sunlight is genetics. true or false

The graph below compares the motion of particles in two substances. One substance is a gas and the other is a solid. A bar graph is shown with the title Particle Motion. The y axis title is Particle Speed. The x axis title is Substance.

Why is cobalt placed before nickel on the periodic table of elements even though it has a higher average atomic mass than nickel

Which substance is the most soluble at 28°C?

Predict the major product (s) formed when hexanoyl chloride is treated with excess etmgbr, followed by h2o.

Classify the properties based on whether they describe metals or nonmetals. They are good conductors of heat and electricity. They are brittle and break into sharp pieces. They are flexible and can be made into wires.

A gas occupies a 1.5 L container at 25 degrees Celsius and 2.0 atm. If the gas is transferred to a 3.0 L container at the same temperature, what will be its new pressure? a) 3.0 atm b) 2.0 atm c) 1.0 atm d) 4.0 atm

The maximum amount of n2h4 (hydrazine) that can be prepared from 14 grams of nitrogen and 28 grams of hydrogen by the reaction n2 + 2 h2 = n2h4 is?