Homework Answers
Add Answer to:
DuPPY U111204) 20. Elemental phosphorous, P4, can be prepared by heating calcium phosphate, Ca3(PO4)2, with sand (si...
Calcium phosphate, silicon dioxide, and coke may be heated together in an electric furnace to produce...
Calcium phosphate, silicon dioxide, and coke may be heated together in an electric furnace to produce phosphorus, as shown in the following equation: 2 Ca3(PO4)2 + 6 SiO2 + 10C--> 6CaSiO3 + 10 CO + P4 In this reaction, how many pounds of calcium phosphate would be needed to make 100 lb of phosphorus? I got 500 How much calcium silicate would be formed as a by product? How much sand would be used up in this same reaction?
What is the maximum mass of P4 that can be obtained from 56.2 g Ca3(PO4)2, 37.3...
What is the maximum mass of P4 that can be obtained from 56.2 g Ca3(PO4)2, 37.3 g SiO2 and excess carbon? The chemical equation for the reaction is given below. 2 Ca3(PO4)2(s) + 6 SiO2 + 10 C(s) ⟶ P4(g) + 6 CaSiO3(l) + 10 CO(g) Give your answer in grams with three significant figures. Molar masses, in g mol-1: Ca3(PO4)2, 310.18 SiO2, 60.09 P4, 123.88
Elemental phosphorus is produced by the reaction, 2Ca3(PO4)2 +6SiO2 +10C→6CaSiO3 +10CO+P4 Suppose that you have 7.00...
Elemental phosphorus is produced by the reaction, 2Ca3(PO4)2 +6SiO2 +10C→6CaSiO3 +10CO+P4 Suppose that you have 7.00 moles of Ca3(PO4)2, 23.0 moles of SiO2, and 42.0 moles of C. (a) Which reactant is limiting? (b) What are the maximum amounts (in moles) of CaSiO3, CO, and P4 that can be produced from these amounts of reactants?
What mass of P4 is possible from the reaction of 45.0g of Ca3(PO4)2, 70.0 of SiO2...
What mass of P4 is possible from the reaction of 45.0g of Ca3(PO4)2, 70.0 of SiO2 and 18.0g of C? The balanced reaction is: 2 Ca3(PO4)2 (s) + 6 SiO2 (s) + 10 C(s) ---> P4 (s) + 6 CaSiO3 (l)+ 10 CO(g)
Phosphorus can be prepared from calcium phosphate by the following reaction: 2 Cas (POA),(s) + 6...
Phosphorus can be prepared from calcium phosphate by the following reaction: 2 Cas (POA),(s) + 6 SiO2 (s) + 10C(s) + 6 CaSiO2 (s) + P4(s) + 10 CO(9) Phosphorite is a mineral that contains Ca3(PO4), plus other non-phosphorus-containing compounds. What is the maximum amount of P4 that can be produced from 1.9 kg of phosphorite if the phosphorite sample is 75% Ca3(PO4), by mass? Assume an excess of the other reactants. Mass =
Phosphoric acid can be prepared from calcium phosphate according to the following reaction: Ca3(PO4)2 (s) +...
Phosphoric acid can be prepared from calcium phosphate according to the following reaction: Ca3(PO4)2 (s) + 3 H2SO4 (l) → 3 CaSO4 (s) + 2 H3PO4 (l) 310. g/mol 98.0 g/mol 136 g/mol 98.0 g/mol [a] If 0.664 mole of Ca3(PO4)2 are combined with 1.53 mole of H2SO4, how many grams of H3PO4 can be produced? [4 pts] [b] If 62.6 g of H3PO4 is actually produced in the above reaction, what is the percent yield for the reaction? [2...
A chemist fills a reaction vessel with 0.980 g calcium phosphate (Ca3(PO4)2) solid, 0.212 M calcium...
A chemist fills a reaction vessel with 0.980 g calcium phosphate (Ca3(PO4)2) solid, 0.212 M calcium (Ca+2) aqueous solution and 0.119 M phosphate (PO4−3) aqueous solution at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy ΔG for the following chemical reaction: Ca3(PO4)2(s) 3Ca+2(aq)+2PO4−3(aq) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule.
Given that the solubility reaction for calcium phosphate is Ca3(PO4)2(s) = 3Ca2+ (aq) + 2PO43- (aq)...
Given that the solubility reaction for calcium phosphate is Ca3(PO4)2(s) = 3Ca2+ (aq) + 2PO43- (aq) why does the addition of acid increase the solubility of calcium phosphate? View Available Hint(s) O It decreases the phosphate ion concentration, forcing the equilibrium to the right It decreases the phosphate ion concentration, forcing the equilibrium to the left. O It increases the phosphate ion concentration, forcing the equilibrium to the right. It increases the phosphate ion concentration, forcing equilibrium to the left....
Phosphorus can be prepared from calcium phosphate by the following reaction 2 Cas (PO)(s) + 6510()...
Phosphorus can be prepared from calcium phosphate by the following reaction 2 Cas (PO)(s) + 6510() +10C() +6Casio (6) + P. () + 10 CO() Phosphorite is a mineral that contains Cas(PO4), plus other non phosphorus-containing compounds. What is the maximum amount of P that can be produced from 19 kg of phosphorite if the phosphorite sample is 75% Cas(PO), by mass? Assume an excess of the other reactants Mass Sun An Try Another Version Hiilili
10. (a) Determine the mass of calcium oxide (CaO, lime) that can possibly be produced by...
10. (a) Determine the mass of calcium oxide (CaO, lime) that can possibly be produced by heating 44.6 g of calcium carbonate (CaCO). The balanced equation for this reaction is shown in Equation 8 heat CaO(s) +CO2 (g) CaCOs(s) (Eq. 8) (b) Determine the mass of CO2 that would be produced by the reaction described in (a). 11. Joseph Priestley's study of the decomposition of mercury(ID oxide (HgO) with heat led to the discovery of O2. The balanced equation for...
Phosphorus can be prepared from calcium phosphate by the following reaction: 2 Cas (POA),(s) + 6 SiO2 (s) + 10C(s) + 6 CaSiO2 (s) + P4(s) + 10 CO(9) Phosphorite is a mineral that contains Ca3(PO4), plus other non-phosphorus-containing compounds. What is the maximum amount of P4 that can be produced from 1.9 kg of phosphorite if the phosphorite sample is 75% Ca3(PO4), by mass? Assume an excess of the other reactants. Mass =
Given that the solubility reaction for calcium phosphate is Ca3(PO4)2(s) = 3Ca2+ (aq) + 2PO43- (aq) why does the addition of acid increase the solubility of calcium phosphate? View Available Hint(s) O It decreases the phosphate ion concentration, forcing the equilibrium to the right It decreases the phosphate ion concentration, forcing the equilibrium to the left. O It increases the phosphate ion concentration, forcing the equilibrium to the right. It increases the phosphate ion concentration, forcing equilibrium to the left....
Phosphorus can be prepared from calcium phosphate by the following reaction 2 Cas (PO)(s) + 6510() +10C() +6Casio (6) + P. () + 10 CO() Phosphorite is a mineral that contains Cas(PO4), plus other non phosphorus-containing compounds. What is the maximum amount of P that can be produced from 19 kg of phosphorite if the phosphorite sample is 75% Cas(PO), by mass? Assume an excess of the other reactants Mass Sun An Try Another Version Hiilili
10. (a) Determine the mass of calcium oxide (CaO, lime) that can possibly be produced by heating 44.6 g of calcium carbonate (CaCO). The balanced equation for this reaction is shown in Equation 8 heat CaO(s) +CO2 (g) CaCOs(s) (Eq. 8) (b) Determine the mass of CO2 that would be produced by the reaction described in (a). 11. Joseph Priestley's study of the decomposition of mercury(ID oxide (HgO) with heat led to the discovery of O2. The balanced equation for...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago