Would the mixed melting method (50:50 mixture of an unknown and one possibility) work using a...

Would the mixed melting method (50:50 mixture of an unknown and one possibility) work using a thermometer that reads 10 degrees high? Explain

Expert Solution

queen_honey_blossom answered 2 years ago

What is the purpose of performing mixed melting point experiments? For example, if your unknown is...

What is the purpose of performing mixed melting point experiments? For example, if your unknown is phenacetin, what do you expect to see with a mixed melting point experiment using your unknown and phenacetin out of a bottle? What do you expect to see with a mixed melting point using your unknown and acetanilide out of a bottle?

3.0012g of an unknown mixture of sodium carbonate (Na2CO3) and sodium bicarbonate (HNaCO3) is mixed with...

3.0012g of an unknown mixture of sodium carbonate (Na2CO3) and sodium bicarbonate (HNaCO3) is mixed with nitric acid (HNO3). 0.487277837 liters of CO2 is produced. What is the mass in grams and percent of carbonate (CO3-) in the original sample (295.25K, 0.97012 atm). 486.18g of H2O was produced. Density of water at that temperature is 0.997747g/mL.

2.4822g of an unknown mixture of sodium carbonate (Na2CO3) and sodium bicarbonate (HNaCO3) is mixed with...

2.4822g of an unknown mixture of sodium carbonate (Na2CO3) and sodium bicarbonate (HNaCO3) is mixed with nitric acid (HNO3). 0.644938 liters of CO2 is produced. What is the mass and percent of sodium carbonate in the original sample (294.25K, 0.97012 atm).

Would using a spectroscopic method to determine equilibrium constant of a solution work if there was...

Would using a spectroscopic method to determine equilibrium constant of a solution work if there was no isosbestic point in the absorption spectra?Why or why not?

An unknown mixture was analyzed using TLC on a silica gel plate and developed in 1:6...

An unknown mixture was analyzed using TLC on a silica gel plate and developed in 1:6 ethyl acetate:hexane, and gave 2 spots with Rf values of 0.6 and 0.5 respectively. 1)Would this be considered a good separation between the two? Briefly explain. 2)Which spot represents the more polar compound(s)? 3)Can you say for sure how many compounds are contained in the mixture? If so, how many are there? Briefly explain. 4)If not, what further conditions might be performed to determine...

Please calculate the concentrations of Tartrazine (TZ) and Allura Red (AR) in the unknown mixture using...

Please calculate the concentrations of Tartrazine (TZ) and Allura Red (AR) in the unknown mixture using the coresponding data. Solve by using 2x2 simultaneous linear equation. Slope of TZ at 430 nm = y=0.024x Slope of AR at 430 nm = y=0.0073x Slope of TZ at 480 nm = y=0.0075x Slope of AR at 480 nm = y=0.0183 Absorbance of the unknown mixture at 430 nm = 0.791 Absorbance of the unknown mixture at 480 nm = 0.383 Undiluted molarity...

Of the following, which would be the best method to analyze a mixture of proteins with...

Of the following, which would be the best method to analyze a mixture of proteins with an average moecular weight of 15, 000 grams per mole? UV-visible spectroscopy gas chromatography high performance liquid chromatography potentiometry with ion-selective electrodes gravimetry

work in progress on one one was $211,000 raw materials inventory is unknown raw material purchases...

work in progress on one one was $211,000 raw materials inventory is unknown raw material purchases is $159,000 Total raw materials available for use unknown, subtract raw materials inventory 12-31 is $22,100 direct materials used $181,000 direct labor is unknown, indirect labor 18100 Factory depreciation 36100 Factory utilities 68100 total overhead 122300 total manufacturing cost unknown, total cost a work-in-progress unknown, subtract work-in-progress 12-31 $81,100 cost of goods manufactured $541,000 please find all unknown information and provide cost of goods...

1. When using the high-low method for estimating the fixed and variable portion of a mixed...

1. When using the high-low method for estimating the fixed and variable portion of a mixed cost, you must first find the high and low points of sales. Then, to find the variable cost per unit, you must: Select one: a. Divide the difference in unit sales by the difference in total cost b. Divide the difference in total cost by the difference in unit sales c. Divide the difference in dollar sales by the difference in total cost d....

How to calculate density of mixture flowing through pipe, with 50% volume of one fluid and...

How to calculate density of mixture flowing through pipe, with 50% volume of one fluid and 50% volume of another fluid? Then for the mixture if temperature, internal diameter and pressure gradient is given. 1.Calculate Reynolds number 2. Volumetric flow rate 3. Local velocity at a perpendicular distance of X from inner wall of pipe.

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