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Morgan
Questions (558)
Two objects A and B have the same mass and the same specific heat. Object A is heated from 30°C to 70°C and object B is cooled
2 answers
2,064 views
Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.1 kg · m2 and an angular velocity of +8.0
4 answers
3,075 views
What was the day of surrender know as for WWI?
I know a lot about WWII but not a lot about WWI. The real question was "When was
2 answers
518 views
How do you find SSA, SSB & SSE??
0 answers
515 views
La maestra _____ la tarea.
pregunte pida pide pregunta
6 answers
791 views
If the internal energy of an object remains constant, which of the following statements is true regarding the object's potential
3 answers
1,512 views
An object A has half the mass and twice the velocity of object B. How are the kinetic energies of A and B related?
A. The kinetic
4 answers
3,565 views
Which of the following is true about work?
A. Work depends on time. B. Work helps retain the state of matter. C. The SI unit of
1 answer
751 views
Which of the following will have the most freely moving particles within it?
A. Water at 100°C B. Water at 0°C C. Ice at 0°C
2 answers
1,654 views
An object with high thermal energy will also have which of the following?
A. Low internal energy B. High kinetic energy C. High
1 answer
581 views
Which of the following statements is true regarding two points within a system?
A. They will have different types of particles.
2 answers
2,274 views
Two objects A and B of different size are both at a temperature of 500 K and are connected by a rod (A looks four times larger
1 answer
1,029 views
what does the diction and details reveal about the tone in this passage.
"When first I took up my abode in the woods, that is,
4 answers
560 views
what does the diction and details reveal about the tone in this passage.
"When first I took up my abode in the woods, that is,
22 answers
921 views
I am supposed to paraphrase the ideas that Emerson introduces in this passage
"There is a time in every man's education when he
1 answer
573 views
Review the metric pattern in “Old Ironsides.” How does this meter reflect the poem’s subject matter?
I know this is not a
8 answers
3,068 views
Use the limit process to find the slope of the graph of
sqrt(x + 8) at (8, 4).
2 answers
959 views
Use the limit process to find the slope of the graph of
sqrt(x + 8) at (8, 4).
5 answers
394 views
Use the derivative of f(x) = 6x7 + 7x6 to determine any points on the graph of f(x) at which the tangent line is horizontal.
1 answer
450 views
use the limit process to find the area of the region between f(x) = x^2 + 2 a interval [0, 3]
1 answer
669 views
use the limit process to find the area of the region between f(x) = x^2 + 2 a interval [0, 3]
0 answers
409 views
Longfellow repeats the line “the tide rises, the tide falls” throughout his poem. What idea is he trying to emphasize about
4 answers
2,223 views
What is the purpose of a calorimeter?
A. To determine the temperature of a chemical reaction B. To determine the energy changes
1 answer
594 views
If the following reaction:
NO(g) + 1/2O2(g) NO2(g) has the following enthalpy change: H° = -56 kJ/mol What is the enthalpy of
1 answer
765 views
If the following reaction:
NO(g) + 1/2O2(g) NO2(g) has the following enthalpy change: H° = -56 kJ/mol What is the enthalpy of
1 answer
3,314 views
Which reaction shows that the enthalpy of formation of CS2 is Hf = 89.4 kJ/mol?
A. C(s) + 2S(s) CS2(l) + 89.4 kJ B. C(s) + 2S(s)
3 answers
7,439 views
What is enthalpy?
A. Enthalpy is the kinetic energy of a system. B. Enthalpy is the heat involved in a reaction. C. Enthalpy is
1 answer
1,112 views
Which direct measurement would provide evidence that the energy of a substance had changed?
A. temperature B. heat C. mass D.
1 answer
706 views
How do I do the following?
Write the net ionic equation for the following molecular equation. 3 CoCl2(aq) + 2 Na3PO4(aq)
0 answers
658 views
lim {x-3}/(x^2-9)
x->3 ( I used {} to show absolute value) Find the limit if there is one.
1 answer
323 views
lim (squar(14+y)-squar(14))/y
y->0 Find limit if there is one.
2 answers
530 views
1. Sodium can be extracted by heating naturally occurring salt until it is molten. An electrochemical process is then used to
1 answer
1,348 views
3. An electrochemical reaction occurs between an unknown element and zinc. The half-cell reaction for the zinc is:
Zn(s) →
0 answers
1,110 views
2. Aluminum metal reacts with zinc(II) ion in an aqueous solution by the following half-cell reactions:
Al(s) → Al3+(aq) +
1 answer
1,980 views
Which statement correctly identifies how a lead-storage battery in a car works?
A. The battery acts as a galvanic cell as it
1 answer
2,868 views
Which statement correctly identifies how a lead-storage battery in a car works?
A. The battery acts as a galvanic cell as it
0 answers
878 views
How long (in minutes) must a 5.40 A current be passed through an aqueous solution of zinc nitrate to deposit 87.5 g Zn?
1 answer
1,248 views
How long (in minutes) must a 5.40 A current be passed through an aqueous solution of zinc nitrate to deposit 87.5 g Zn?
1 answer
970 views
Which of the following half-reactions would occur at the anode of an electrochemical cell?
A. H+(aq) + Cl− (aq) → HCl(aq) B.
4 answers
2,280 views
Why are half-reactions used in redox reactions?
A. They make it easier to keep track of spectator ions in the reaction. B. They
1 answer
1,046 views
What is the difference between a galvanic cell and an electrolytic cell?
A. A galvanic cell converts reduction reactions into an
1 answer
1,082 views
The following galvanic cell at standard conditions has a potential of 0.03 V:
Ag+(aq) + Fe2+(aq) → Fe3+(aq) + Ag(s). What would
7 answers
1,894 views
The following galvanic cell at standard conditions has a potential of 0.03 V:
Ag+(aq) + Fe2+(aq) → Fe3+(aq) + Ag(s). What would
3 answers
2,491 views
What is the oxidation half-reaction for Mg(s) + ZnCl2(aq) MgCl2(aq) + Zn(s)?
A. Zn(s) Zn2+ + 2e- B. Zn2+ + 2e- Zn(s) C. Mg(s)
1 answer
1,325 views
Which of the following processes uses a galvanic cell?
A. Electroplating silver metal onto a teapot B. Purification of metals
1 answer
3,191 views
Find the angle, in degrees, between two adjacent sides of the pyramid.
P(2, 0, 0), Q(2, 2, 0), R(0, 2, 0), (base points) S(1, 1,
1 answer
688 views
Find the distance between the point and the plane. (2, 5, 3)
3x + 2y – 3z = –6
0 answers
481 views
Find the general form of the equation of the plane passing through the point and perpendicular to the specified vector. [Be sure
0 answers
707 views
In a suspension bridge, the shape of the suspension cables is parabolic. The bridge shown in the figure has towers that are 400
3 answers
2,864 views
A carbonate ion, CO32−, can participate in an acid-base reaction. How should the carbonate ion be classified?
1 answer
2,233 views
5.0 moles of solid sodium chloride (NaCl) are used to prepare a 5.0 M NaCl solution. What is the volume of the solution?
3 answers
2,416 views
How many moles of magnesium chloride are formed when 55 mL of 0.70 M HCl is added to 42 mL of 1.204 g Mg(OH)2?
Mg(OH)2(s) +
1 answer
2,651 views
Interest rates on 2-year Treasury securities are currently 5.00%, while 5-year Treasury securities yield 10.00%. If the pure
0 answers
524 views
Write the first six terms of the arithmetic sequence with the given properties. a = 3, d = 2
a. 3,8,13,18,23,28 b. 3,5,7,9,11,13
2 answers
1,117 views
a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the
1 answer
916 views
a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the
1 answer
1,186 views
a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the
1 answer
2,095 views
a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the
2 answers
1,274 views
The active sections that are located along fault lines are called
A. stress accumulations. B. recurrence gaps. C. seismic gaps.
2 answers
707 views
Which of the following is not a process of a stream load?
A. Suspension B. Bed Load C. Materials in solution D. Divide Im
1 answer
584 views
Verify the trigonometric identity:
(1+sin x)/ (1-sinx)^2=(1+sin x)/[cos x] Hint: [cos x] means the absolute value of cos
1 answer
600 views
Verify the trigonometric identity:
(1+sin x)/ (1-sinx)=(1+sin x)/[cos x] Hint: [cos x] means the absolute value of cos x
0 answers
714 views
Tony visits the local fair and sees one of the rides, the ferris wheel. The ferris wheel has a diameter of 50 feet and is on a
2 answers
998 views
What is the journal entry for a $10,000 deposit in exchange for $10,000 worth of common stock ?
Would I name that account common
0 answers
432 views
You wish to fence a circular garden of area 70 square meters. How much fence do you need?
2 answers
578 views
The problem is: an airplane is flying in the direction 120 degrees with an airspeed of 320 mph, and a 35 mph wind is blowing in
1 answer
851 views
By titration it is found that 20.5 mL of 0.168 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the
1 answer
511 views
By titration it is found that 20.5 mL of 0.168 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the
1 answer
556 views
I need help with 12 over 25 times 10 over 14 times 7over 18 and then putting it into simplest form
1 answer
407 views
What is the pattern for 2,6,4,12,10,30,28
2 answers
556 views
According to the record of the registrar's office at a state university, 40% of the students are freshman, 25% are sophomore,
2 answers
893 views
Christopher wants to determine how far away a helicopter is from where he is standing. He knows the helicopter is sitting on the
1 answer
748 views
According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore,
1 answer
2,934 views
Richard Hamilton has a fast - food franchise and must pay a franchise fee of $35000 plus 3% of gross sales. In terms of cost
0 answers
899 views
An example of a committed fixed cost would be:
a) taxes on real estate b) management development programs c) public relations d)
2 answers
1,618 views
Carbon monoxide and chlorine gas react to form phosgene:
CO(g)+Cl2(g)⇌COCl2(g) Kp = 3.10 at 700 K If a reaction mixture
1 answer
2,597 views
If $1500 is invested at an interest rate of 3.5% per year, compounded continuously, find the value of the investment after 3 and
1 answer
1,397 views
The purpose of advertising & other forms of non-price competition by a firm is to shift the Demand curve to the
A)Right B)Left &
0 answers
538 views
Suppose a student diluted and titrated a bleach unknown. A single titration was performed which required 14.42 mL of 0.100 M
13 answers
1,438 views
Why do "price-maker" firms never want to produce in the inelastic part of the demand curve??
0 answers
365 views
These problems I really don't understand and really need serious help :)
1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please
1 answer
552 views
These problems I really don't understand and really need serious help :)
1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please
1 answer
571 views
DrBob222
- it says my answer should be a number.
1 answer
309 views
50.0mL of 1.04moles HA is added to 50.0mL if 0.90moles NH4OH.With a 1:1 stoichiometric ratio. What is the limiting reactant in
3 answers
398 views
I have to write a thesis paper with the main, broad idea being the similarities and differences between The Epic of Gilgamesh
1 answer
580 views
How do I solve b+12<31 using an inverse operation?
1 answer
358 views
H. Using the technique outlined in this lab, a student decided to test wastewater for the presence of phosphate. The first
1 answer
399 views
If the solubility of CaF2 (s) in water is 5.0 x 10^-3. The solubility will be
A. The same in 0.10 M NaF B. less than 0.10 M NaF
1 answer
538 views
If the solubility of CaF2 (s) in water is 5.0 x 10^-3 M. The solubility will be
1 answer
324 views
A street light is at the top of a 16ft tall pole. A woman 6ft tall walks away from the pole with a speed of 6ft/sec along a
1 answer
685 views
A fence 3 feet tall runs parallel to a tall building at a distance of 3 feet from the building. What is the length of the
3 answers
1,267 views
Find the point on the line 4x+3y-4=0 which is closest to the point (5,2)
2 answers
2,997 views
What is 538 divided by -63
1 answer
334 views
The experimentally measured and generally accepted value for the molar volume of Na is about 23 cm3/mol. Which of the following
2 answers
4,213 views
A cart of mass M1 = 5.00 kg and initial speed = 3.00 m/s collides head on with a second cart of mass M2 = 3.00 kg at rest.
0 answers
561 views
Which powers delegated or implied could also be referred to as expressed powers and why?
2 answers
1,270 views
How many grams of NH3 can be produced if 105g of NH4OH are completey decomposed?
1 answer
336 views
How many grams of NH3 can be produced if 105g of NH4OH are completey decomposed?
0 answers
335 views
The old 30-question AHSME was graded as follows: Students were awarded 5 points for a correct answer, 0 points for a wrong
0 answers
389 views
What times what equal 60 and adds to get 7
1 answer
311 views
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