Questions in Chemistry

Which of the following molecules has the highest boiling point

Asked by wiki @ 03/12/2021 in Chemistry viewed by 545 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 wiki @ 03/12/2021 in Chemistry viewed by 465 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 wiki @ 03/12/2021 in Chemistry viewed by 468 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 wiki @ 02/12/2021 in Chemistry viewed by 437 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 wiki @ 02/12/2021 in Chemistry viewed by 417 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 wiki @ 02/12/2021 in Chemistry viewed by 442 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 wiki @ 02/12/2021 in Chemistry viewed by 353 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 wiki @ 02/12/2021 in Chemistry viewed by 651 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 wiki @ 02/12/2021 in Chemistry viewed by 364 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 wiki @ 02/12/2021 in Chemistry viewed by 448 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 wiki @ 02/12/2021 in Chemistry viewed by 410 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 wiki @ 02/12/2021 in Chemistry viewed by 425 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 wiki @ 02/12/2021 in Chemistry viewed by 400 persons

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

How does the viscosity of magma change as magma cools

Asked by wiki @ 01/12/2021 in Chemistry viewed by 357 persons

How does the viscosity of magma change as magma cools?

Label each substance as either an element or a compound

Asked by wiki @ 01/12/2021 in Chemistry viewed by 396 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 wiki @ 01/12/2021 in Chemistry viewed by 407 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 wiki @ 01/12/2021 in Chemistry viewed by 440 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 wiki @ 01/12/2021 in Chemistry viewed by 472 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 wiki @ 01/12/2021 in Chemistry viewed by 348 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 wiki @ 30/11/2021 in Chemistry viewed by 466 persons

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

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Questions in Chemistry

Which of the following molecules has the highest boiling point

What are the four basic needs of all living things

Use the van der waals equation to calculate the pressure

An insoluble solid produced by a chemical reaction in solution

The electromagnetic waves that have the lowest frequencies are called

What do isotopes of the same element have in common

What happens when a ray of light hits a mirror

Why does magnesium have a higher melting point than sodium

Is a troy ounce heavier or lighter than an ounce

How many moles of nitroglycerin were in the container originally

What type of gloves protects your hands from hazardous chemicals

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

How to find the amount of neutrons in an element

How does the viscosity of magma change as magma cools

Label each substance as either an element or a compound

The formula weight of aluminum sulfate al2 so4 3 is

What is the mass number of an element equal to

How many protons and electrons are in a calcium ion

Draw structures for the organic products of the reaction below

What is the most reactive element on the periodic table

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