A number of atoms on the reactants side: Na:        Cl:      A number of atoms on the products side: Na:        Cl:      Does this equation follow the Law of Conservation of Mass (Yes or No)?

Q: Oxygen is the most abundant element in both Earth's crust and the human body. The atomic masses of…

A: When the product of atomic mass and abundance of each type of isotopes are summed up, we get the…

Q: What is the importance of making molecular models

A: Sub-atomic models are the actual models used to address particles in space. It addresses atoms in an…

Q: Find the mass of 1 molecule of NaH in gram. O a. 3.98 x10-23 O b. 12 O c. 23.99 O d. 3.98 x1023

A: Molar mass amount(1 mole) of any compound contains Avogadro number6.022×1023 of molecules. Molar…

Q: chemical formula.

A:

Q: The following diagram represents a chemical reaction in which the red spheres are oxygen atoms and…

A: a) In the left box, there are two type of molecules, one is oxygen (O2) and other is Nitrogen and…

Q: One ounce of dark chocolate contains 0.25 g theobromine, a compound related to caffeine. Calculate…

A: GivenMass of theobromine = 0.25 gChemical formula of theobromine =C7H8N4O2Molar Mass of theobromine…

Q: 2) a) Write formulas for the figures. Dark circles represent element A and light circles represent…

A: Atomic element : Atomic element have single atoms as their basic unit. Molecular element : The…

Q: The cullinan diamond was the largest natural diamond ever found (january 25 , 1905 25, 1905). It…

A: Use formulas Mole=mass÷molar mass Total atoms=mole×6×1023 MOLAR mass of diamond= 12g/mol

Q: A molecule has a mass of 4.65 x 10^-23 g. Provide two possible chemical formulas for such a…

A: Given  mass of 1 molecule = 4.65 x 10-23 g we know  mass of 1 molecule = 1 mole  1 mole = 6.022 x…

Q: How is a structural formula similar to a molecular formula?How is it different?

A: Structural formula: The chemical formula in which the bonds between them and all the atoms of the…

Q: Heavy water is produced by using the rare isotope deuterium, Nwhich hydrogen-2 (H) replaces the…

A: Given,

Q: 1.aDo a mole of Na and a mole of NaCl contain the same number of Na atoms ? Explain your answer .…

A: Same moles of any particle will have same number of that particles .

Q: Determine the number of atoms of H in 36.1 grams of C6H12O6

A: We have to calculate the number of atoms in given mass of glucose.

Q: Consider a 5.00 kg bag of sugar, C12H22O11, and answer the following question. Be sure to show your…

A: Given: Mass of sugar = 5.00 kg To calculate the mass of Carbon

Q: a) Determine the mass of O is that combined with 3.00 g of N in NO and NO2. b) Describe that NO and…

A: Two questions based on general chemistry, which are to be accomplished.

Q: Determine the number of atoms of C in 43.7 grams of C₆H₁₂O

A: Atom is composed of neutrons, protons, and electrons.

Q: Magnesium exists in nature as three stable isotopes. Suppose you determine that 9.87 moles of…

A: Given - Exact masses of isotopes of Mg 25Mg = 24.9858 amu 24Mg= 23.9850 amu. 26Mg = 25.9826 amu. To…

Q: Convert 1.89 • 1024  atoms of carbon to coles of carbon

A: Given, the number of moles of carbon atoms = 1.89 x 1024 atoms 1 moles of carbon atom = 6.022 x 1023…

Q: What is the number for each atom present in the empirical formula of a compound that has 59.98%…

A: The answer to the following question is-

Q: What is the mass of bromine in a smaple of tribromobenzene, C6H3Br3 , that alos contains 4.987grams…

A: Molar mass of Carbon= 12 g/mol Mass of Bromine = 80 g/mol Total mass of Carbon in tribromobenzene =…

Q: MCQ 8: The molecular formula of different compounds shows actual numbers of A. atoms B. molecules C.…

A: Molecular formula describe the actual number and type of atom in a single molecule of a compound.

Q: Drag conversion units onto the boxes in the equation to make conversions. Some boxes can be left…

A:

Q: How many carbon atoms are in 2 dozen molecules of Vitamin D, C56H88O2?

A: Vitamin D ( C56H88O2)  1 molecule of Vitamin D contains 56 carbon atoms.

Q: which has the correct number of atoms in one molecule of dichlorine momooxide A. contains three…

A: To determine No of Atom in a molecule, we must know the molecular formula of that molecule Then we…

Q: Write the chemical formula for each compound, and then calculate the amount in moles in each sample.…

A: Given: Mass of copper(II) sulfate pentahydrate = 78.1 kg

Q: Record the number of each atom in the molecule, then record the total number of atoms in the…

A: We have to determine no of element and atoms

Q: 1. How many grams are present in 12 atoms of Potassium? a. 7.8 grams b. 3.91 x 10-22 grams 39.1…

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Q: Find the mass of 1 molecule of Li H in gram. a. 7.949 b. 1.32 x1023 С. 4 d. 1.32 x10-23

A:

Q: A: Read each statement below carefully. Place a T on the line if you think a statement is TRUE.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 2. Calculate the mass of each of the following: a. 20.0 mL of nitrogen gas b. 7.0 L of hydrogen gas…

A: One mole of any gas at STP occupies 22400 ml of volume. It is called molar volume.

Q: In a lab experiment, 7.2 g of Mg reacts with sulfur to form 16.7 g of magnesium sulfide. (a) Use…

A:

Q: Use the periodic table from an alternative universe below to answer the questions[ Syn A 1A 2A 8A…

A: The balanced reaction is: 2K3O+3VP→3K2P+1V3O2 Assuming that the molar mass of an element is twice of…

Q: Find the mass of 1 molecule of NaH in gram. а. 23.99 b. 3.98 x1023 С. 12 d. 3.98 x10-23

A: Atomic mass of sodium (Na) and hydrogen (H) atoms are as follows; Atomic mass of Na = 22.99 g/mol…

Q: All samples of a given compound, regardless of their source or how they were prepared, have the same…

A: The combination of various components to form compounds is regulated by certain fundamental laws.…

Q: Find the mass of 1 molecule of NaH  in gram. a. 12 b. 3.98 x10-23 c. 23.99 d. 3.98 x1023

A:

Q: Calculate the mass of 816 molecules of Cu(NO3)2.

A: We know , 1 mole of substance = 6.022 × 10²³ Molecules By using this relation , we can calculate the…

Q: This is a lab question, referring to zinc and iodine reacting to form zinc iodide.  If at the end…

A: Law of conservation of mass: The mass of products is equal to mass of reactants throughtout the…

Q: What is the total number of oxygen atoms on the left-hand side of this chemical equation?…

A: The answer to the following question is given as:

Q: What is the total number of oxygen atoms on the right-hand side of this chemical equation?…

A:

Q: The total number of atoms in a molecule of caffeine (C8H10N4O2) is:

A: Given :- molecular formula of caffeine = C8H10N4O2  To calculate :-  Total number of atoms in…

Q: 1. ssm Hemoglobin has a molecular mass of 64 500 u. Find the mass (in kg) of one molecule of…

A: Hemoglobin is present in red blood cells whose function is to carry oxygen from lungs to body…

Q: Decide whether each statement is true (T) or false (F). Place your answer in the blank space given.…

A: Scientific theory states that the atoms in today's plastics were parts of microscopic plants and…

Q: 1) What does a chemical formula reveal about the substance it represents?

A: Since we know that a chemical formula is an expression that shows the elements in a compound and the…

Q: examples

A: Carbon based nanomaterials such as fullerene, carbon fibers, carbon nanotubes, nanodiamonds are…

Q: Find the mass of 1 molecule of Li H in gram. O a. 4 O b. 7.949 O c. 1.32 x1023 O d. 1.32 x10-23

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Q: Calculate the mass of dinitrogen tetroxide (N2O4) that contains a billion (1.000x10^9) nitrogen…

A: Welcome to bartleby !

Q: Why would the collective mass of twenty pennies not be equal to ‘20 x’ the mass of any individual…

A:

Q: The molecular mass of a compound containing 75.0 % carbon, 10.5 % hydrogen, and 14.6 % nitrogen is…

A: given 75.0 %  C 10.5 %H  14.6 %N molecular mass 384.6.

Q: 12. Which of the following definitions of formulas is correctly stated? A. An empirical formula is…

A:

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.