Calculate the total mass of the protons and electrons in fluorine-19. Use 1.007825 amu as the mass of hydrogen-1 (mass of a proton and an electron). Express your answer in atomic mass units to 6 significant figures.

Q: Tin, element 50 on the periodic table, has 10 stable isotopes. 117^Sn makes up 7.687% of naturally…

A: Using the formula moles of Sn117 is calculated as,

Q: An aluminum atom has a mass of 4.48×10^-23 g and a small airplane has a mass of 5000. kg. Use this…

A: The objective of the question is to find out the mass of 1 mole of aluminum atoms and the number of…

Q: 6. Another student created a model for the following balanced equation as shown below. The student's…

A: In a balanced chemical reaction number of each atom is same in reactant side with that of the…

Q: Calculate the mass of carbon atoms in 0.767 moles of glucose, C6H12O6. Use the correct number of…

A: Given that: number of moles of glucose =  0.767 To find:  mass of carbon atoms in 0.767 moles of…

Q: Calculate the number of nitrogen atoms in a 120.0 g sample of dinitrogen tetroxide (N,04). Be sure…

A: Mass of nitrogen dioxide (N2O4) = 120.0 g  Number of nitrogen atoms = ?

Q: Calculate the number of oxygen atoms in a 150.0 g sample of dinitrogen tetroxide (N,0). Be sure your…

A: Given  Mass of N2O4   = 150 gram Number of Oxygen atom = ?

Q: A penny has a thickness of approximately 1.0mm. If you stacked Avogadro’s number of pennies one on…

A: The thickness of a penny=1.0 mm Avogadro's number=6.022 x 1023  Avogadro’s number of pennies were…

Q: 19.78 mL of bromine contains 6.022 x 1023 bromine molecules. How many bromine atoms are in 3.00 L of…

A: Given -> Volume (V1) = 19.78 ml = 0.01978 L (1L = 1000 ml) Number of bromine molecules in V1=…

Q: A copper ring is composed of 1.45×1023 atoms.1.45×1023 atoms. Calculate the mass of the ring in…

A: The mass of the ring in grams is to be calculated

Q: sa particle.

A:

Q: On the fictional planet of Nofactori, two commonly used mass units are related to one another by the…

A:

Q: An unknown compound has the following chemical formula: N_xO where x stands for a whole number.…

A:

Q: A box of clear plastic wrap for household use is polyethylene,{ CH with density = 0.910 Mg/m'. A box…

A: From area and thickness we can calculate the volume and the mass of the compound . From here we can…

Q: Calculate the number of oxygen atoms in a 150.0 g sample of dinitrogen tetroxide (N₂O4). Be sure…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: Solid potassium and oxygen gas react to produce solid potassium peroxide, K2O2. Assume the reaction…

A: 1) Write the balanced chemical equation for the given chemical reaction. 2) From the balanced…

Q: Determine the mass in grams of 7.52 x 10²1 atoms of barium. (The mass of one mole of barium is…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: mass o

A:

Q: In a laboratory experiment, an undergraduate student collected a sample of ammonium phosphate. If…

A:

Q: Calculate the mass (in grams) of 4.69 x 1024 carbon atoms.

A: Given : 4.69 × 1024 carbon atoms.  We know 6.022 × 1023 atoms = mass of one mole

Q: Suppose you need 7.0 m of Grade 70 tow chain, which has a diameter of 3/8" and weighs 2.16 kg/m, to…

A: Given data :- Length of required tow chain = 7.0 mGrade of tow chain = 70 Diameter of tow chain =…

Q: Ca(s) + O2(g) + S(s) → CaSO4(s) [?]g 6.400 g 3.206 g 13.614 g According to the law of conservation…

A:

Q: How many grams of oxygen (O) are present in a 6.41 g sample of potassium nitrate (KNO3)? Enter your…

A: Potassium nitrate (KNO3) is ionic compound and it contains one potassium, one nitrogen and three…

Q: An atom of rhodium (Rh) has a diameter of about  2.7×10−8cm2.7×10−8cm   If the atom is assumed to…

A: The diameter of the rhodium atom is = 2.7×10-8 cm The volume of rhodium atom in m3 is =?

Q: A sample of C,H, has 9.28 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: calculate the mass of fluorine contained in 56.5 g of copper(II) fluoride.

A: Percent by mass (%w/w) = (mass of F/mass of CuF2) × 100%

Q: There are 1.699 x 1022 atoms in 1.000 g of chlorine.  Assume that chlorine atoms are spheres of…

A: Number of atoms in 1 g chlorine = 1.699 × 1022 atoms Number of atoms in 0.5 g chlorine = 0.5 × 1.699…

Q: Determine the number of atoms in 1.85×10^-3L of Mercury. [The density of mercury is 13.5g/mL.]

A:

Q: Determine the mass in grams of 6.63 × 10²¹ atoms of barium. (The mass of one mole of barium is…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: Assuming gasoline to be pure 2-methylhexane, C7 H16 (actually, it is a mixture of many substances),…

A: Molecules consumed per mile =  5.96 x 1023 molecules We need to find the mass of fuel.

Q: What is the mass, in g, of 2.67 × 10 nickel (Ni) atoms? Enter your answer in scientific notation. 12…

A: The given data contains, Atoms of nickel = 2.67×1012 Molar mass of Nickel = 58.69 g/mol.

Q: Rubidium has two naturally occurring isotopes, Rb-85 (mass 84.912 amu) and Rb-87 (mass 86.909 amu).…

A:

Q: The density of aluminum is 2.70g/cm^3. For a block of 275g of aluminum calculate the density in…

A: The volume of aluminium and the number of aluminium atoms present in 275 g aluminium is needed to…

Q: Neutron stars are composed of solid nuclear matter, primarily neutrons. Assume the radius of a…

A: Mass of neutron = 1.0087 u and 1 u = 1.6605 × 10 -27 kg Hence , Mass of neutron = 1.0087 × 1.6605 ×…

Q: What is the symbol for the element that is in group VIIA(17) and period 3?   What is the symbol…

A:

Q: State the number of protons in Ag^+. Express your answer as an integer.   State the number of…

A: Electronic configuration of Ag (47) = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s1 Number of protons…

Q: Suppose you need 6.0 m of Grade 70 tow chain, which has a diameter of 3/8" and weighs 2.16 kg/m, to…

A:

Q: One of the inherently satisfying features of chemistry is that chemical materials form and interact…

A:

Q: How many grams would 4.904 x 10^22 atoms of Lithium weigh? Show all work and report your answer to…

A: Given atoms of lithium is 4.904 × 10^22 * first we have to convert atoms of lithium into…

Q: Calculate the number of atoms in 1.02 × 10¯º moles of helium. x 10 atoms (Enter your answer in…

A:

Q: There are four sketches below. The first sketch shows a sample of Substance X. The three sketches…

A: Given changes it undergoes Type of Change = Need to determine

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.