Questions in Chemistry

Which of the following molecules has the highest boiling point

Asked by admin @ in Chemistry viewed by 318 persons

Using what you know about intermolecular forces, determine which of the following molecules has the highest boiling point. Using what you know about intermolecular forces, determine which of the following …

What are the four basic needs of all living things

Asked by admin @ in Chemistry viewed by 340 persons

All living things have four basic needs to live and function. List these four needs. HELP ASAP

Use the van der waals equation to calculate the pressure

Asked by admin @ in Chemistry viewed by 326 persons

Use the van der Waals equation to calculate the pressure exerted by 1.475 molmol of Cl2Cl2 in a volume of 4.635 LL at a temperature of 299.0 KK .

An insoluble solid produced by a chemical reaction in solution

Asked by admin @ in Chemistry viewed by 280 persons

An insoluble solid produced by a chemical reaction in solution is called

The electromagnetic waves that have the lowest frequencies are called

Asked by admin @ in Chemistry viewed by 302 persons

The electromagnetic waves that have the lowest frequencies are called a. radio waves. c. ultraviolet waves. b. microwaves. d. x-rays.

What do isotopes of the same element have in common

Asked by admin @ in Chemistry viewed by 277 persons

What do all isotopes of the same element have in common? atomic mass chemical stability number of neutrons number of protons

What happens when a ray of light hits a mirror

Asked by admin @ in Chemistry viewed by 254 persons

Which explanation is true about what happens to a ray of light when it strikes a mirror? A. A light ray is transmitted toward a mirror at a certain angle. …

Why does magnesium have a higher melting point than sodium

Asked by admin @ in Chemistry viewed by 289 persons

Which statement best compares the melting points of magnesium and sodium? a Magnesium has a higher melting point because it contributes one additional electron per atom than sodium in the …

Is a troy ounce heavier or lighter than an ounce

Asked by admin @ in Chemistry viewed by 214 persons

The unit "troy ounce" is often used for precious metals such as gold (Au) and platinum (Pt) (1 troy ounce= 31.103 g). (a) A gold coin weighs 2.41 troy ounces. …

How many moles of nitroglycerin were in the container originally

Asked by admin @ in Chemistry viewed by 315 persons

When nitroglycerine (227.1 g/mol) explodes, N2, CO2, H2O, and O2 gases are released initially. Assume that the gases from the explosion cool to standard conditions without reacting further. 4 C3H5N3O9 …

What type of gloves protects your hands from hazardous chemicals

Asked by admin @ in Chemistry viewed by 244 persons

What type of gloves protects your hands from hazardous chemicals? A. Latex Gloves B. Padded Cloth Gloves C. Vinyl or Neoprene Gloves

An element's atomic number is equal to its number of

Asked by admin @ in Chemistry viewed by 306 persons

The atomic number of an element is equal to the number of _____ contained in one atom of that element. protons neutrons electrons protons and neutrons The atomic number of …

How to find the amount of neutrons in an element

Asked by admin @ in Chemistry viewed by 299 persons

How can you calculate the number of neutrons in an atom?

How does the viscosity of magma change as magma cools

Asked by admin @ in Chemistry viewed by 242 persons

How does the viscosity of magma change as magma cools?

Label each substance as either an element or a compound

Asked by admin @ in Chemistry viewed by 278 persons

Help!! 29 pointss label these as either element compound mixture of elements mixture of compounds mixture of elements and compounds

The formula weight of aluminum sulfate al2 so4 3 is

Asked by admin @ in Chemistry viewed by 306 persons

What is the molar mass of Al2(SO4)3?150.03 g/mol 278.03 g/mol 342.17 g/mol 450.09 g/mol

What is the mass number of an element equal to

Asked by admin @ in Chemistry viewed by 286 persons

The mass number of an element is equal to ____. a. the total number of electrons in the nucleus b. the total number of protons and neutrons in the nucleus …

How many protons and electrons are in a calcium ion

Asked by admin @ in Chemistry viewed by 334 persons

A calcium ion has a charge of +2. How many protons and electrons does it have? An atom has 6 protons, 7 neutrons, and 6 electrons. Fill in the blanks …

Draw structures for the organic products of the reaction below

Asked by admin @ in Chemistry viewed by 268 persons

Toluene, C6H5CH3, is given below. Draw the major organic product for each reaction. Assume 1:1 reaction stoichiometry. If more than one product is possible, only one structure needs to be …

What is the most reactive element on the periodic table

Asked by admin @ in Chemistry viewed by 326 persons

Where are the most reactive elements on the periodic table? What makes one element more reactive than another?

Most viewed questions in Chemistry


Discuss sn2 mechanism of methyl bromide using aqueous koh

Asked by admin @ in Chemistry viewed by 2161 persons


Comparing lactose percentage between whole milk and powdered milk

Asked by admin @ in Chemistry viewed by 1897 persons


Lewl letpa

Asked by maham237 @ in Chemistry viewed by 1520 persons



50 examples of unbalanced chemical equations with answers

Asked by admin @ in Chemistry viewed by 1359 persons


Chromium metal is immersed in an aqueous solution of cobalt(ii) chloride.

Asked by maham237 @ in Chemistry viewed by 1288 persons


Prepare a chart giving detailed information of carbon compounds

Asked by admin @ in Chemistry viewed by 1238 persons



Which 1 mole sample has the least entropy

Asked by maham237 @ in Chemistry viewed by 1228 persons


If you are given the assignment to cut raw poultry

Asked by maham237 @ in Chemistry viewed by 1223 persons


Effect of succinic acid on cst of phenol water system

Asked by admin @ in Chemistry viewed by 1216 persons



The reaction between aluminium powder and anhydrous barium nitrate

Asked by maham237 @ in Chemistry viewed by 1175 persons


Cnh4 lewis structure

Asked by maham237 @ in Chemistry viewed by 1112 persons


2 3 dihydroxypropanal

Asked by maham237 @ in Chemistry viewed by 1021 persons



Select true statements about the pentose phosphate pathway

Asked by maham237 @ in Chemistry viewed by 1003 persons


Crossword puzzle on carbon and its compounds class 10

Asked by admin @ in Chemistry viewed by 980 persons


Ionic bond calculator

Asked by maham237 @ in Chemistry viewed by 958 persons