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A garage that specializes in foreign cars had a small magnesium fire when a car part was ignited. The mechanic knew from his training that he should not use water but could use a dry powder like a sodium chloride based fire extinguishing powder (MET-L-X) or a graphite based (LITH-X). He knows that the CO2 extinguishing powder is not a good choice.
Problem- For my chem2 lab class we preformed a nut combustion experiment to get the calorie count in different kinds of nuts. for my post lab questions i was asked to use my results to answer this question and i have no idea how to set it up:
If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium? Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC.
Suppose 1.00 g of water (saturated liquid) evaporates isobarically at atmospheric pressure of 1.013x10^5 Pa. Its volume in the liquid state is 1.00 cm3 and its volume in the vapour state is 1671 cm3.
How many grams of solute are needed to prepare 500.0 mL of a 0.375 M CH3OH solution.
Given the unbalanced equation, Cr(NO3)3(aq) + LiOH(aq) LiNO3(aq) + Cr(OH)3(s), how many grams of Cr(OH)3 are produced from 0.084 g of Cr(NO3)3?
the diameter of a helium atom is about 1102pm.supposethat we could line up helium atoms side by side in contact with
Gallium hydroxide like aluminum hydroxide is amphoteric. Write a balanced equation to show how this hydroxide can dissolve in both HCl(aq) as well as NaOH(aq).
The volume of a sphere is . A sphere of metal has a radius of 1.56 cm. It has a mass of 147.9 grams. What is the density of this metal?
What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
The endpoint was reached when 75.00mL of the managanese(II) hydroxide solution was titrated with 6.32mL of 0.0010M HCl solution. What is the Ksp of manganese (II) hydroxide
Why are active on-duty firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters.
The empty calorimeter has a heat capacity of 0J/oC, and the temperature changed from 21.0 oC to 27.5 oC. Calculate the heat of reaction for the sample (kJ). Then calculate the heat of the above reaction in kJ/mol of HCl.
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