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7. A compound consists of only C and F. It contains 17.39% C by mass. What...
help asap please 6. Soft drink bottles are made of polyethylene terephthalate (PET), a polymer composed...
help asap please
6. Soft drink bottles are made of polyethylene terephthalate (PET), a polymer composed of carbon, hydrogen, and oxygen. If 1.9022 g PET is burned in oxygen it produces 0.6585 g H20 and 4,0216 g CO2. What is the empirical formula of PETY 7. A compound consists of only C and F. It contains 17.39% C by mass. What is the empirical formula of the compound? 8. What is the net ionic equation for the reaction of aqueous...
Naphthalene, a hydrocarbon, has an approximate molar mass of 128 g/mole. If the combustion of 64...
Naphthalene, a hydrocarbon, has an approximate molar mass of 128 g/mole. If the combustion of 64 produces 0.3599 g H20 and 2.1977 g CO2, what is the molecular formula of this compound? 3. A mass of 0.4113 g of an unknown acid, HA, is titrated with NaOH. If the acid reacts with 28.10 mL of 0.1055 M NaOH(aq), what is the molar mass of the acid? 4. The amount of calcium in a 15.0-g sample was determined by converting the...
5 and 6 please ! A compound contains 52.17%C, 4.38%H, 20.28%N, and 23.17%O by mass. Determine...
5 and 6 please !
A compound contains 52.17%C, 4.38%H, 20.28%N, and 23.17%O by mass. Determine the empirical formula of the compound. A-When aqueous sodium carbonate is added to barium chloride. The solution turns cloudy white with solid barium carbonate. Write the molecular, ionic, and net ionic equations for this fraction. How many grams of water can be produced if sufficient hydrogen reacts with 26.0 g of oxygen? 2H_2 (g) + O_2 (g) rightarrow 2 H_2 O(l) When aqueous solution...
Determine the empirical formula for a compound that contains 15.0% C, 5.0% H, and 80.0% S...
Determine the empirical formula for a compound that contains 15.0% C, 5.0% H, and 80.0% S by mass. empirical formula: A 10.04 g sample of a compound contains 6.41 g of iron, Fe, 1.18 g of phosphorus, P, and oxygen, O. Calculate the empirical formula for the compound. empirical formula: What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and 77.39% oxygen (0) by mass? Insert subscripts as needed. empirical formula: HCO
An organic compound consists only carbon (c), hydrogen (H) and oxygen (O). Elemental analysis of a...
An organic compound consists only carbon (c), hydrogen (H) and oxygen (O). Elemental analysis of a sample of this compound weighting 0.20000 g shows that it contains 0.09232 g C and 0.00930 g H. The empirical formula of this compound is: a. C_5H_6O b. C_5H_6O_2 c. C_5H_6O_3 d. C_5H_6O_4 e. C_6H_6O f. C_6H_6O_2 g. C_6H_6O_3 h. C_6H_6O_4 i. None of the above; the correct ionic formula is ______. The amount of carbon dioxide (CO_2) formed upon burning 1894 g of...
(Part A) Hydrogen peroxide is unstable and decomposes readily: 2H2O2(aq) → 2H2O(l) + O2(g) This reaction...
(Part A) Hydrogen peroxide is unstable and decomposes readily: 2H2O2(aq) → 2H2O(l) + O2(g) This reaction is accelerated by light, heat, or a catalyst. The concentrations of aqueous hydrogen peroxide solutions are normally expressed as percent by mass. In the decomposition of hydrogen peroxide, how many liters of oxygen gas can be produced at STP from 26.8 g of a 7.50% hydrogen peroxide solution? (Part B) What volume of bromine (Br2) vapor measured at 100.°C and 700. mmHg pressure would...
A compound that contains only carbon, hydrogen, and oxygen is 45.3 % C and 9.43 %...
A compound that contains only carbon, hydrogen, and oxygen is 45.3 % C and 9.43 % H by mass. What is the empirical formula of the substance? Enter the correct subscript for each atom using the smallest whole number. Its not C1H3O1
i dont know what im doing. help. 4.3-Precipitation Reactions 3. The following molecular views show reactant...
i
dont know what im doing. help.
4.3-Precipitation Reactions 3. The following molecular views show reactant solutions for a precipitation reaction (with H,O molecules omitted for clarity). a) Which compound is dissolved in beaker A: KCI, Na2SO4, MgBrz, or Ag2SO.? b) Which compound is dissolved in beaker B: NH,NO3, MgSO Ba(NO3), or CaFZ? c) Write a balanced molecular, total ionic, and net ionic equations for the reaction that occurs when solutions A and B are mixed. d) If 1 L...
CHM 1210 Final practice Name: Know electrolyte table, 5 solubility rules; 26 polyatomics (name/formula) Write 7...
CHM 1210 Final practice Name: Know electrolyte table, 5 solubility rules; 26 polyatomics (name/formula) Write 7 naturally occurring diatomic molecules (name; formula, phase , charge) Write rite out strong acids and weak acids by name; formula, phase ,charge Write out the molecular, complete, and net-ionic equations for the following reactions The mixing of Cobalt(IlI) chloride and silver nitrate The mixing of acetic acid and sodium hydroxide The mixing of hydrochloric acid and cakcium hydroxide The mixing of barium chloride and...
7. A compound contains 30.4 g of nitrogen and 69.6 g of oxygen by mass. What...
7. A compound contains 30.4 g of nitrogen and 69.6 g of oxygen by mass. What is the chemical formula of this compound? 8. How many molecules of H,O (M.w. 18 g/mol) are there in 355 grams of H,O? How many hydrogen atoms are in 355 grams of HO?
help asap please
6. Soft drink bottles are made of polyethylene terephthalate (PET), a polymer composed of carbon, hydrogen, and oxygen. If 1.9022 g PET is burned in oxygen it produces 0.6585 g H20 and 4,0216 g CO2. What is the empirical formula of PETY 7. A compound consists of only C and F. It contains 17.39% C by mass. What is the empirical formula of the compound? 8. What is the net ionic equation for the reaction of aqueous...
Naphthalene, a hydrocarbon, has an approximate molar mass of 128 g/mole. If the combustion of 64 produces 0.3599 g H20 and 2.1977 g CO2, what is the molecular formula of this compound? 3. A mass of 0.4113 g of an unknown acid, HA, is titrated with NaOH. If the acid reacts with 28.10 mL of 0.1055 M NaOH(aq), what is the molar mass of the acid? 4. The amount of calcium in a 15.0-g sample was determined by converting the...
5 and 6 please !
A compound contains 52.17%C, 4.38%H, 20.28%N, and 23.17%O by mass. Determine the empirical formula of the compound. A-When aqueous sodium carbonate is added to barium chloride. The solution turns cloudy white with solid barium carbonate. Write the molecular, ionic, and net ionic equations for this fraction. How many grams of water can be produced if sufficient hydrogen reacts with 26.0 g of oxygen? 2H_2 (g) + O_2 (g) rightarrow 2 H_2 O(l) When aqueous solution...
Determine the empirical formula for a compound that contains 15.0% C, 5.0% H, and 80.0% S by mass. empirical formula: A 10.04 g sample of a compound contains 6.41 g of iron, Fe, 1.18 g of phosphorus, P, and oxygen, O. Calculate the empirical formula for the compound. empirical formula: What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and 77.39% oxygen (0) by mass? Insert subscripts as needed. empirical formula: HCO
An organic compound consists only carbon (c), hydrogen (H) and oxygen (O). Elemental analysis of a sample of this compound weighting 0.20000 g shows that it contains 0.09232 g C and 0.00930 g H. The empirical formula of this compound is: a. C_5H_6O b. C_5H_6O_2 c. C_5H_6O_3 d. C_5H_6O_4 e. C_6H_6O f. C_6H_6O_2 g. C_6H_6O_3 h. C_6H_6O_4 i. None of the above; the correct ionic formula is ______. The amount of carbon dioxide (CO_2) formed upon burning 1894 g of...
i
dont know what im doing. help.
4.3-Precipitation Reactions 3. The following molecular views show reactant solutions for a precipitation reaction (with H,O molecules omitted for clarity). a) Which compound is dissolved in beaker A: KCI, Na2SO4, MgBrz, or Ag2SO.? b) Which compound is dissolved in beaker B: NH,NO3, MgSO Ba(NO3), or CaFZ? c) Write a balanced molecular, total ionic, and net ionic equations for the reaction that occurs when solutions A and B are mixed. d) If 1 L...
CHM 1210 Final practice Name: Know electrolyte table, 5 solubility rules; 26 polyatomics (name/formula) Write 7 naturally occurring diatomic molecules (name; formula, phase , charge) Write rite out strong acids and weak acids by name; formula, phase ,charge Write out the molecular, complete, and net-ionic equations for the following reactions The mixing of Cobalt(IlI) chloride and silver nitrate The mixing of acetic acid and sodium hydroxide The mixing of hydrochloric acid and cakcium hydroxide The mixing of barium chloride and...
7. A compound contains 30.4 g of nitrogen and 69.6 g of oxygen by mass. What is the chemical formula of this compound? 8. How many molecules of H,O (M.w. 18 g/mol) are there in 355 grams of H,O? How many hydrogen atoms are in 355 grams of HO?
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