Can you please help me with these two problems
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Can you please help me with these two problems
Calculate the number of Hions in 0.244...
for some reason, the image won't I am sorry, I am having trouble with these 3...
for some reason, the image won't I am sorry, I am having trouble
with these 3 if you can please help
Elemental sulfur occurs as octatomic molecules, Sg. What mass of fluorine gas is needed to react completely with 25.3 g of sulfur to form sulfur hexafluoride? Mass of F2(g): What is the percent yield of a reaction in which 200. g of phosphorus trichloride reacts with excess water to form 70.0 g of HCl and aqueous phosphorous acid (H3PO3)?...
5. Elemental sulfur occurs as octatomic molecules, S8. What mass (g) of fluorine gas is needed...
5. Elemental sulfur occurs as octatomic molecules, S8. What mass (g) of fluorine gas is needed to react completely with 17.8 g of sulfur to form sulfur hexafluoride?
1. Elemental sulfur occurs as octatomic molecules, S8. What mass (g) of fluorine gas is needed...
1. Elemental sulfur occurs as octatomic molecules, S8. What mass (g) of fluorine gas is needed to react completely with 17.8 g of sulfur to form sulfur hexafluoride? 2. (Challenging): Solid iodine trichloride is prepared in two steps: first, a reaction between solid iodine and gaseous chlorine to form solid iodine monochloride; second, treatment of the solid with more chlorine gas. (a) Write a balanced equation for each step. (b) How many grams of iodine are needed to prepare 2.45...
Can you please help me with these 5 problems!!! please and thank you Question 1 A...
Can you please help me with these 5 problems!!! please and thank you Question 1 A mass of 5 kilograms of carbon dioxide (CO2) in a piston-cylinder assembly undergoes two processes in series from an initial state where p1 = 2.4 MPa, T1 = 260°C: Process 1–2: Constant-temperature expansion until the volume is twice the initial volume. Process 2–3: Constant-volume heating until the pressure is again 2.4 MPa. Assuming ideal gas behavior, determine the overall work, in kJ. ____________________________________________________________ Nitrogen...
im having a hard time with number 3 but if you can help me chall all...
im having a hard time with number 3 but if you can help me chall
all of them thst would be greatly appreciated
If the air pressure is 733 tor, what is the pressure in atm? 1 2 What wou ld be the pressure of 156 ml of gas at 695 tom after changing the volume to 256 ml? Consider the reaction: 3. KCIO3(s) KCI(aq) + O2(g) What would be the mass of KCIO, (s) needed to produce 2.0L of...
Please tell me if these workings are correct? If not, could you please help me correct...
Please tell me if these workings are correct? If not, could
you please help me correct my mistakes. Im not sure if I need to
subtract the atmospheric pressure - and if I have to, I cant
understand how to calculate it with what ive been given.
Show sample calculations for Trial 1 only. Simply report the results for Trial 2 1. Calculate the moles of hydrogen gas produced from the reaction. (2 marks) O. 01329 - 5,43x10-Mol 1. MM...
can someone help me with these problems not sire if im doing it right NAME SECTION...
can someone help me with these problems not sire if im doing
it right
NAME SECTION DATE REPORT FOR EXPERIMENT 22 INSTRUCTOR Neutralization-Titration 1 Data Table Sample 1 Sample 2 Samples (if needed) Mass of flask and KHP Mass of empty flask 94.79949 93.66169 1.1218 95.3960 94.21442 1.1656 36.94 L Mass of KHP Final buret reading / P.as Initial buret reading 0.15- 18.24 L Volume of base used CALCULATIONS: In the spaces below show calculation setups for Sample 1 only....
can someone please help me answer these questions? 82) If you hold two objects that have...
can
someone please help me answer these questions?
82) If you hold two objects that have the same weight density, then they A) may have unequal mass densities. PB) are equal in weight. C) have equal mass densities. 69) 69) Which of the following statements is true? A) a large atom can be photographed with the aid of an ordinary microscope B) an atom is the smallest particle known to exist C) there are only about 100 different kinds of...
Everything is correct now... Can you please help me out with these? 1)The value of Hº...
Everything is correct now... Can you please help me out with
these?
1)The value of Hº for the decomposition of calcium chloride into its constituent elements, CaCl2 (s) Ca (s) + C12 (8) is_ A) +795.8 B) 0.00 C) -795.8 D) +397.9 E) -3979 kJ/mol. 2)The value of Gºat 25 °C for the decomposition of gaseous sulfur trioxide to solid elemental sulfur and gaseous oxygen, 2503 (g) 28 (s, rhombic) + 302 (g) is_ kJ/mol. A) -740.8 B)-370.4 C) +740.8...
this is the rest of one of the problems can you please help (e) For each...
this is the rest of one of the problems can you please help
(e) For each pairing, circle the system (State 1 or State 2) that has the higher entropy (or choose “SAME"). Assume that T and P are the same for each system unless stated otherwise. **NOTE: You must make THREE circles here--this is not a "multiple choice" question.** State 1 State 2 i) 1 mol Na(s) OR 1 mol Li(s) OR SAME ii) 2 mol CH4(g) in 10...
for some reason, the image won't I am sorry, I am having trouble
with these 3 if you can please help
Elemental sulfur occurs as octatomic molecules, Sg. What mass of fluorine gas is needed to react completely with 25.3 g of sulfur to form sulfur hexafluoride? Mass of F2(g): What is the percent yield of a reaction in which 200. g of phosphorus trichloride reacts with excess water to form 70.0 g of HCl and aqueous phosphorous acid (H3PO3)?...
5. Elemental sulfur occurs as octatomic molecules, S8. What mass (g) of fluorine gas is needed to react completely with 17.8 g of sulfur to form sulfur hexafluoride?
im having a hard time with number 3 but if you can help me chall
all of them thst would be greatly appreciated
If the air pressure is 733 tor, what is the pressure in atm? 1 2 What wou ld be the pressure of 156 ml of gas at 695 tom after changing the volume to 256 ml? Consider the reaction: 3. KCIO3(s) KCI(aq) + O2(g) What would be the mass of KCIO, (s) needed to produce 2.0L of...
Please tell me if these workings are correct? If not, could
you please help me correct my mistakes. Im not sure if I need to
subtract the atmospheric pressure - and if I have to, I cant
understand how to calculate it with what ive been given.
Show sample calculations for Trial 1 only. Simply report the results for Trial 2 1. Calculate the moles of hydrogen gas produced from the reaction. (2 marks) O. 01329 - 5,43x10-Mol 1. MM...
can someone help me with these problems not sire if im doing
it right
NAME SECTION DATE REPORT FOR EXPERIMENT 22 INSTRUCTOR Neutralization-Titration 1 Data Table Sample 1 Sample 2 Samples (if needed) Mass of flask and KHP Mass of empty flask 94.79949 93.66169 1.1218 95.3960 94.21442 1.1656 36.94 L Mass of KHP Final buret reading / P.as Initial buret reading 0.15- 18.24 L Volume of base used CALCULATIONS: In the spaces below show calculation setups for Sample 1 only....
can
someone please help me answer these questions?
82) If you hold two objects that have the same weight density, then they A) may have unequal mass densities. PB) are equal in weight. C) have equal mass densities. 69) 69) Which of the following statements is true? A) a large atom can be photographed with the aid of an ordinary microscope B) an atom is the smallest particle known to exist C) there are only about 100 different kinds of...
Everything is correct now... Can you please help me out with
these?
1)The value of Hº for the decomposition of calcium chloride into its constituent elements, CaCl2 (s) Ca (s) + C12 (8) is_ A) +795.8 B) 0.00 C) -795.8 D) +397.9 E) -3979 kJ/mol. 2)The value of Gºat 25 °C for the decomposition of gaseous sulfur trioxide to solid elemental sulfur and gaseous oxygen, 2503 (g) 28 (s, rhombic) + 302 (g) is_ kJ/mol. A) -740.8 B)-370.4 C) +740.8...
this is the rest of one of the problems can you please help
(e) For each pairing, circle the system (State 1 or State 2) that has the higher entropy (or choose “SAME"). Assume that T and P are the same for each system unless stated otherwise. **NOTE: You must make THREE circles here--this is not a "multiple choice" question.** State 1 State 2 i) 1 mol Na(s) OR 1 mol Li(s) OR SAME ii) 2 mol CH4(g) in 10...
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