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Line 10 Write the correct formulas for: new compound KI Chlorine solution Element causing yellow color...
yellow, green or red, the test is positive. The color of the solution depends on the...
yellow, green or red, the test is positive. The color of the solution depends on the concentration of 3. Observe the color of your negative and positive controls. Note which one has a red color. 4 After the dialysis of the NaCi-elucose-red dye solution has progressed for an hour, test the water outside the dialysis bag (your experimental data) for the presence of Ci and glucose same way you did for your controls in steps 1 and 2. Observe if...
1. If a solution absorbed yellow light, what color would the solution appear to be? Hint:...
1. If a solution absorbed yellow light, what color would the solution appear to be? Hint: indigo 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.05 x 10-'MKMnO, from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 ml graduation mark with distilled water. Hint: 2. A linear standard curve of KMnO, is prepared from a set of standard solutions by plotting absorbance (y) vs. concentration (x). Use Google...
18. Translate the following sentences to chemical equations. Be sure to write correct chemical formulas for...
18. Translate the following sentences to chemical equations. Be sure to write correct chemical formulas for all products and reactants before balancing the equation. (a) Solutions of hydrosulfuric acid and sodium hydroxide are mixed together to form sodium sulfide and water. (b) A solid piece of calcium carbonate is added to a solution of sulfuric acid to form a precipitate of calcium sulfate, carbon dioxide gas and water. (c) Magnesium metal combusts to form magnesium oxide. (d) Ethane, CyHg, combusts...
I. If a solution absorbed yellow light, what color would the solution appear to be? Hint:...
I. If a solution absorbed yellow light, what color would the solution appear to be? Hint: Indigo 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.09 x 10-3 MKMnO4 from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water. Hint: 0.000627 M 2. A linear standard curve of KMnO4 is prepared from a set of standard solutions by plotting absorbance (y) vs. concentration...
I. If a solution absorbed yellow light, what color would the solution appear to be? Hint:...
I. If a solution absorbed yellow light, what color would the solution appear to be? Hint: 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.09 x 10-3 M KMnO, from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water. Hint: *M Your answer is incorrect - Check your calculations. 2. A linear standard curve of KMnO4 is prepared from a set of standard...
Write correct chemical equations showing how each compound produces an acidic/basic solution. DO NOT include any...
Write correct chemical equations showing how each compound produces an acidic/basic solution. DO NOT include any spectator ions in your equations Compound Acid or Base? Chemical Equation NaNO, Neutral NO Reaction-NaNO, is a "neutral salt aave NaHCO ese Nasco, ase NH NO CA Cu(NO) id NHs HiPO ci NaH PO NasPO4
Drive 11:24 AM 7 91% 2. (10 pts total) A new element with three isotopes is...
Drive 11:24 AM 7 91% 2. (10 pts total) A new element with three isotopes is discovered on Planet X. A mass spectrometer was used to obtain the following information for this element. Isotope Abundance Mass (amu) 159x 30.60% 159.37 163 ? 162.79 53.61% 163.92 164 X A. (4 pts) What is the average atomic mass for element X? < > B. (2 pts) If you were able to select a single atom of element X, what would its mass...
Formulas - Setup the worksheet with formulas! 1. Open the MT Data file and save it...
Formulas - Setup the worksheet with formulas! 1. Open the MT Data file and save it as MT School Budget. Select the Budget sheet if it's not already showing on your screen. 2. In D11, calculate the Fall Term Total by adding the One-Time amount (B11) to the Monthly amount (C11) multiplied by the Months in the Term (B5). Make sure to use an absolute reference in the formula so that it will copy correctly in the next step. Note:...
151-Experiment 6-10 (4 pts) Circle the correct answers to complete the sentences below: 2. Mr MnO/...
151-Experiment 6-10 (4 pts) Circle the correct answers to complete the sentences below: 2. Mr MnO/ 2.1) When MnO acts as an oxidizing agent in an acidic medium, it becomes MnO), which is ( colorless / green / purple) 2.2) When MnO acts as an oxidizing agent in a very basic (pH> 14) medium, it becomes (Mn/ MnO, / MnO) , which is ( colorless /green / purple) (4 pts) Under slightly basic conditions, the manganate ion (MnO) will disproportionate....
double displacement NAME SECTION INSTRUCTOR DATE REPORT FOR EXPERIMENT 11 Double Displacement Reactions Directions for completing...
double displacement
NAME SECTION INSTRUCTOR DATE REPORT FOR EXPERIMENT 11 Double Displacement Reactions Directions for completing table below: 1. Record your observations Evidence of Reaction) of each experiment. Use the following terminology: (a) "Precipitate formed" (include the color), (b) "Gas evolved." (e) "Heat evolved," or (d) "No reaction observed." 2. Complete and balance the equation for each case in which a reaction occurred. First write the correct formulas for the products, taking into account the charges (oxidation numbers of the...
yellow, green or red, the test is positive. The color of the solution depends on the concentration of 3. Observe the color of your negative and positive controls. Note which one has a red color. 4 After the dialysis of the NaCi-elucose-red dye solution has progressed for an hour, test the water outside the dialysis bag (your experimental data) for the presence of Ci and glucose same way you did for your controls in steps 1 and 2. Observe if...
1. If a solution absorbed yellow light, what color would the solution appear to be? Hint: indigo 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.05 x 10-'MKMnO, from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 ml graduation mark with distilled water. Hint: 2. A linear standard curve of KMnO, is prepared from a set of standard solutions by plotting absorbance (y) vs. concentration (x). Use Google...
18. Translate the following sentences to chemical equations. Be sure to write correct chemical formulas for all products and reactants before balancing the equation. (a) Solutions of hydrosulfuric acid and sodium hydroxide are mixed together to form sodium sulfide and water. (b) A solid piece of calcium carbonate is added to a solution of sulfuric acid to form a precipitate of calcium sulfate, carbon dioxide gas and water. (c) Magnesium metal combusts to form magnesium oxide. (d) Ethane, CyHg, combusts...
I. If a solution absorbed yellow light, what color would the solution appear to be? Hint: Indigo 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.09 x 10-3 MKMnO4 from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water. Hint: 0.000627 M 2. A linear standard curve of KMnO4 is prepared from a set of standard solutions by plotting absorbance (y) vs. concentration...
I. If a solution absorbed yellow light, what color would the solution appear to be? Hint: 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.09 x 10-3 M KMnO, from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water. Hint: *M Your answer is incorrect - Check your calculations. 2. A linear standard curve of KMnO4 is prepared from a set of standard...
Write correct chemical equations showing how each compound produces an acidic/basic solution. DO NOT include any spectator ions in your equations Compound Acid or Base? Chemical Equation NaNO, Neutral NO Reaction-NaNO, is a "neutral salt aave NaHCO ese Nasco, ase NH NO CA Cu(NO) id NHs HiPO ci NaH PO NasPO4
Drive 11:24 AM 7 91% 2. (10 pts total) A new element with three isotopes is discovered on Planet X. A mass spectrometer was used to obtain the following information for this element. Isotope Abundance Mass (amu) 159x 30.60% 159.37 163 ? 162.79 53.61% 163.92 164 X A. (4 pts) What is the average atomic mass for element X? < > B. (2 pts) If you were able to select a single atom of element X, what would its mass...
Formulas - Setup the worksheet with formulas! 1. Open the MT Data file and save it as MT School Budget. Select the Budget sheet if it's not already showing on your screen. 2. In D11, calculate the Fall Term Total by adding the One-Time amount (B11) to the Monthly amount (C11) multiplied by the Months in the Term (B5). Make sure to use an absolute reference in the formula so that it will copy correctly in the next step. Note:...
151-Experiment 6-10 (4 pts) Circle the correct answers to complete the sentences below: 2. Mr MnO/ 2.1) When MnO acts as an oxidizing agent in an acidic medium, it becomes MnO), which is ( colorless / green / purple) 2.2) When MnO acts as an oxidizing agent in a very basic (pH> 14) medium, it becomes (Mn/ MnO, / MnO) , which is ( colorless /green / purple) (4 pts) Under slightly basic conditions, the manganate ion (MnO) will disproportionate....
double displacement
NAME SECTION INSTRUCTOR DATE REPORT FOR EXPERIMENT 11 Double Displacement Reactions Directions for completing table below: 1. Record your observations Evidence of Reaction) of each experiment. Use the following terminology: (a) "Precipitate formed" (include the color), (b) "Gas evolved." (e) "Heat evolved," or (d) "No reaction observed." 2. Complete and balance the equation for each case in which a reaction occurred. First write the correct formulas for the products, taking into account the charges (oxidation numbers of the...
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