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1.a large amount of potassium in plant food could cause the formation of MgKPO4:6H2O along with MAPH. what would be the effect on the calculated percentage of P2O5 in question 1 if MAPH were mixed in with your precipitate? would the %P2O5 in this mixture be higher or lower than if your precipitate contained only MAPH?
2. MAPH loses H2O stepwise as it is heated. Between 40 C and 60 C the monohydrate(MAPH) is formed and above 100 C the anhydrous material(MAPH) is formed. What are the Phosphorous % of the monohydrate and anhydrous material?
3.ignition of MAPH( in absence of O2) produces NH3, H2O and magnesium pyrophosphate, Mg2P2O7. Complete and balance the decomposition of MAPH. if 5.00g oh MAPH are ignited, how many grams of Mg2P2O7 would be formed?
What would be the wavelength of a photon that would be able to break the Cl-Cl bond in Cl2. The bond energy in Cl2 is 243 kJ/mol.
What volume of oxygen gas is required to react completely with 0.132 mol of glucose (C6H12O6) according to the following reaction at 0 C and 1 atm
The difference between the energy of the products and the energy of the reactants D. Undefined because it depends on whether the reaction is endothermic or exothermic
your chemiluminescence reaction will actually occur very slowly in air. what component of air will bring about this
On hot days, you may have noticed that potato chip bags seem to inflate even thougt they have not been opened. if i have a 250 mL bag at a temperature of 19 C and i leave it in my car that has a temperature of 60 C, what will the new volume of the..
Consider the titration of a 24.0 ml sample of 0.120 M HC2H3O2 with 0.105 M NaOH. Determine the initial pH.
A student weighed a fuel cup for a bomb calorimetry experiment and obtained 10.3729 g. She then added a benzoic acid pellet and reweighed, finding 11.2872 g
most of the sulfur used in the united states is chemically synthesized from hydrogen sulfide gas recovered from natural
Calculate the pressure in atmospheres using both the ideal gas law and the van der Waals equation. For N2, a=1.35(L^2 x atm)/mol^2, and b=0.0387L/mo
If a buffer solution is 0.220 M in a weak acid (Ka = 8.5 × 10-5) and 0.550 M in its conjugate base, what is the pH
If 0.1800 g of impure soda ash (Na2CO3) is titrated with 15.66 mL of 0.1082 M HCl, what is the percent purity of the soda ash. Na2CO3(aq) + 2 HCl(aq) ? 2 NaCl(aq) + H2O(mc048-1.jpg) + CO2(g)
Explain why dichloroethene has a boiling point of 60 degrees C while trans-dichloroethene as a boiling point of 48 degrees C. Include drawings of the structures with dipoles in your answer.
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