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why is the dissolving of ammonium chloride endotherimic? would you get similar results for dissolving all salts
The digital thermometer is miscalibrated by +0.15C over its entire range. If the same thermometer is used in part B.2 will the reported moles of solute
Draw the structural formula of Val-Ala-Leu. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all hydrogen atoms
Carbonyl fluoride, COF2 , is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride
a 5.00L air sample at a temperature of -50 degrees celsius has a pressure of 107 kpa. what will be the new pressure if the temperature is raised to 102 degrees celsius and the volume expands to 7.00L.
A 2.154-g sample of HgO produces 125 mL of oxygen collected over water at 24 degrees C and an atmospheric pressure of 763 mm Hg. Calculate the STP molar volume for oxygen.
The reaction between solid sodium and Iron (III) oxide is one in a series of reactions that inflates an automobile airbag.
base catalyzed reaction of vanillin with acetic anhydride? They produce slightly different products, but how and why
Nitrogen gas reacts with hydrogen gas to make ammonia(NH3). 15.5 L of N2 reacts at STP to make 30 L of ammonia. What is the percent yield?
For the reaction:2CH4(g) C2H2(g) + 3H2(g) 0.115 mole of CH4 was placed in a 1.00 L container. At equilibrium it was found that the [C2H2] = 0.035 M. What is the value of the equilibrium constant?
Three compounds, hexane, heptane, and an unknown molecule were separated using gas chromatography. The adjusted retention times were 10.4 min for hexane,
how many regions of high electron density are there around the central atom of the molecular structure of SbCl3.
Find the amount of thermal energy produced in kilojoules when 18.9 g of water is heated from 16°C to 98.0°C.
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