10.Fill in the following table, converting the following number of atoms to moles and moles to...
12. Calculate the number of moles containing each of the following (a) 1.00 x 1022 atoms of cobalt, Co (b) 2.00 x 1023 molecules of carbon dioxide, CO2 (c) 3.00 x 1024 formula units of cobalt(II) carbonate, COCO,
Fill in the missing information about the atoms in the table below. number of electrons number of electron shells number of symbol protons valence total Te Po 2 6 8 8 O X
10. What is the total number of atoms contained in 2.11 moles of nickel? A. 2.85 x 1023 atoms B. 1.27 x 1024 atoms C. 3.50 x 10 24 atoms D. 6.02 x 1023 atoms
Complete the following table. atoms in sample molecules in sample moles of sample mass of sample 404.70e25 X 403.19e22 400530 mol 4.14 g C6H6 402.60e24X 40 1.44e23 0.239 mol H2O 404.31 9 2.61 2.61 x 1022 molecules CO2 404.3 mol 4.0 191 g 7.28 40 7.29e23 1.21 mol HCI 4A44.1 444.08 4.08 x 1024 molecules H20 40 6.78 mol 40122 405.71e21 5.71 Check the number of significant figures. mol a0 .0095 0.304 g CH30H
1. Complete the table. Substance Mass Moles N0. of particle (atoms or molecules) Ar 5.0*10^-4 NO2 1.34*10^20 K 21.4 mg C8H18 2.50 kg 2.Complete The table Substance Mass Moles Number OF particles (atoms or molecules) C6H12O6 19.0 g Pb 8.24*10^21 CF4 24.5 kg C 0.0406 3. Amylose is a "polysaccharide" that plants use to store energy. It is made of repeating subunits of C6H10O5. a. A particular amylose molecule has 2113 of these subunits, what is its molecular formula? Express...
C A hewing b er of moles in 10 gram of CHNO3). B Number of Atoms in 25 gram of CHNO3). C Number of molecules in 100 gram of Fe(NO3). D- Number of grams in 10 % atoms of MgBr2. 2. Complete the following table: Element % Composition Empirical Formula Element . Composition empirical Formula
How many atoms of copper (Cu) are contained in 1.75 moles of copper atoms? How many moles of aluminum ions (Al 3+) are present in 7.25 x 1025 Al 3+ ions? How many moles of aspirin contain 8.62 x 10 28 molecules? How many sugar molecules are contained in 0.475 mole of sugar? What is the molar mass of nicotine (C10H14N2), the toxic and addictive stimulant in tobacco? In this balanced chemical equation, 2 C18H30O2 + 49O2 à 36 CO2...
Consider the following balanced equation. 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table, showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the other reactant, as well as the moles of each product formed. If the number of moles of a product is provided, fill in the required amount of each reactant to make that amount of product, as well as the amount of the other...
1- Calculate the following: A- Number of moles in 10 gram of AlBr3. B- Number of Atoms in 10 gram of Al(OH)3. C- Number of molecules in 10 gram of Cr(NO3)5. D- Number of grams in 10 10 atoms of AlBr3.
Periodic interest rates. In the following table, fill in the periodic ra First, fill in the periodic rates in the following table. (Round to two decim (Click on the following icon in order to copy its contents into a spreadsheet.) APR Compounding per Year APR Compounding per Year - 2 Effective Annual Rate Periodic Rate Period Semiannual 7% 7% Period Semiannual Quarterly Monthly Daily 8% Quarterly Periodic Rate 3.50 % 2.00 % 0.50 % 0.0089 % 6 % 8% 6%...