Chemistry » Page 101

Chemistry

Nyla Hampton

What are the 2 types of high explosives?

Answer Answers (2)

Chemistry

Jacob

Cultivated soil is commonly missing

Nitrogen

Oxygen

Carbon

Calcium

Answer Answers (2)

Chemistry

Beau Koch

Short, hairlike appendage

Answer Answers (1)

Chemistry

Giana Frey

Liquid water heats up and cools down slowly. What causes this property?

Water expands when it freezes.

Water is a good solvent.

Water forms hydrogen bonds.

Water is a nonpolar molecule.

Answer Answers (1)

Chemistry

Jenny Flowers

A solution is prepared by dissolving 20.1 g of MgCl2 with the addition of 157.0 mL of water (density of water is 1.00g/cm3). The density of the resulting solution was determined to be 1.089g/cm3. Calculate the molar concentration of this solution: Hint: Make sure you understand the definition on Molar concentration

Answer Answers (1)

Chemistry

Teeny

What makes the atomic radius change down a column of the periodic table

Answer Answers (2)

Chemistry

Diamond Myers

The volume of a gas decreases from 15.7 m3 to 11.2 m3 while the pressure changes from 1.12 atm to 1.67 atm. If the initial temperature is 245 K, what is the final temperature of the gas

Answer Answers (1)

Chemistry

Issac Mcbride

Which of the terms best completes the sentence? When amino acids bind a transaminase enzyme, their amino group is transferred to associated with the transaminase before it is transferred to an alpha‑keto acid.

Answer Answers (1)

Chemistry

Kathy Kaiser

What amount of heat energy is required to raise the temperature of 152 g of water from 24 °C to 74 °C.

Answer Answers (1)

Chemistry

Keith Decker

A rectangular block of copper has a mass of 143.584 g and measures 5.05 cm by 2.55 cm by 1.25 cm. Find the density of the copper block.

Answer Answers (1)

Chemistry

Aileen Torres

3. How fast will her 1500 kg car accelerate if it produces 5000 N of force?

Answer Answers (1)

Chemistry

Nelson

Consider the titration of 30.0 mL of 0.050 M NH3 with 0.025 M. HCl. Calculate the PH after the following volumes of titrant have been added 0 ml 20 mL 59.1 mL 60.0 mL 71.4 mL 73.4 mL

Answer Answers (1)

Chemistry

Sidney Finley

A sample of 67 G of kno2 is dissolved to make 1 L of solution what is the molarity of the solution?

1.3 m.

0.6 m.

6,773.8m.

329.4m.

Answer Answers (1)

Chemistry

Harley Mahoney

Colloid of a liquid in a liquid

Answer Answers (1)

Chemistry

Esmeralda Olson

Why hydrogen cannot be produce by the reaction between copper and conc. sulphuric acod?

Answer Answers (1)