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Joseph

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Calculate the volume of 1.00 M acetic acid solution and mass of sodium acetate needed to make 250 mL of a 0.450 M acetic
1. 2 answers
2. 856 views
Find the linear approximation of f(x)=ln x at x=1 and use it to estimate ln 1.12.L(x)= ? ln 1.12 \approx ?
1. 1 answer
2. 837 views
At an instant when a soccer ball is in contact with the foot of the player kicking it, the horizontal or x component of the
1. 1 answer
2. 606 views
In a cargo plane, the center of gravity must be between the front and rear landing gears in order to maintain a torque
1. 0 answers
2. 648 views
Ravi is thinking of a 2 digit number.The number is between 40 and 50.the sum of digits in tens and ones place 13. What is the
1. 1 answer
2. 510 views
A 24-foot ladder is placed against a building. The building is perpendicular to the level ground so that the base of the ladder
1. 1 answer
2. 1,083 views
A metal ball of mass 1.8 kg with initial temperature of 46.5 C is dropped into a container of 3 kg of water at 15 C. If the
1. 1 answer
2. 490 views
Which relation is NOT a function?Y=0 X=2 Y=2x Y=x+2
1. 1 answer
2. 838 views
Write an algebraic expression in x for sec(arcsin(x/sqrt(x^(2) +4)))
1. 1 answer
2. 626 views
How do the 3rd grade boys’ weight in Principal Ben’s school compare to the national average (mean weight = 90, sd =15)?
1. 0 answers
2. 403 views
What are standard temperature and pressure? Why was a standard needed?
1. 1 answer
2. 382 views
A car is traveling at 24.4 m/s. If the driver has a reaction time of 1 second, what will be his stopping distance if his car
1. 1 answer
2. 1,916 views
The number of arrivals per period is distributed according to the Poisson with an expected value of 0.75 unit per period. The
1. 1 answer
2. 524 views
In how many ways can I place 5 different beads on a bracelet if flipping or rotating the bracelet does not change the order of
1. 2 answers
2. 2,679 views
Suppose that 23 mL of 0.6 M K2CrO4(aq) reacts with 13.7 mL of AgNO3(aq) completely.What mass of NaCl is needed to react
1. 0 answers
2. 577 views
Can you help me unscramble these two words? ngtialceoo, birol
1. 6 answers
2. 4,980 views
jewelry marked 14 karat gold is 14/24 pure gold. what is the percent
1. 3 answers
2. 1,004 views
How much heat (in cal) is necessary to heat 27.0 mL of octane (s= 0.526 cal/g ®C ; d = o.703 g/mL ) from 50.6 ®C to 67.2 ®C?I
1. 1 answer
2. 766 views
A rectangle was 25 cm longer than it was wide. A new rectangle was formed by decreasing the length by 6 cm and decreasing the
1. 1 answer
2. 819 views
I need a good Participle Phrase sentence in the story of Le Morte D' Arthur, Can anyone help me??
1. 1 answer
2. 549 views
A 2.2m of steel wire hangs vertically down from a support. A 1.5m length of brass wire of the same diameter is attached to the
1. 0 answers
2. 683 views
What volume of oxygen at s.t.p is required for the complete combustion of methane according to the following equation. CH4 2O2=
1. 1 answer
2. 813 views
The graph of the equation 2x+6y=4 passes through point (x,-2). What is the value of x?
1. 1 answer
2. 748 views
134 g of water at 7°C is added to ice at 0°C. If the final temperature of the system (which you can assume is isolated) is
1. 0 answers
2. 623 views
Steam of mass 11.0 g at 100°C is added to 114.8 g of ice at 0.00°C. Find the final temperature of the system.
1. 2 answers
2. 1,127 views
A toy train is moving on a track from right to left. You are told that work is the dot product of force and displacement. In
1. 1 answer
2. 1,018 views
Which of the following statements related to vectors is not correct?a) A "one way" road sign is an example of a vector. b)A
1. 0 answers
2. 1,367 views
28a^11b^7 divided by 4a^3b^2
1. 1 answer
2. 455 views
x/2 + 11 = -25x/4 - 5 + 13
1. 0 answers
2. 553 views
Indiana Jones is swinging from a rope. The distance between the pivot point and his center of mass is 31.00m. He begins swinging
1. 1 answer
2. 1,190 views
A uniform horizontal bar of length L = 5 m and weight 243 N is pinned to a vertical wall and supported by a thin wire that makes
1. 1 answer
2. 2,154 views
A 5.0 kg block of some unknown material is suspended from a spring scale and submerged in water.?The spring scale reads 39.3 N.
1. 1 answer
2. 1,233 views
If 2.80 kJ of heat is needed to raise the temperature of a sample of metal from 10.°C to 27°C, how many kilojoules of heat
1. 1 answer
2. 482 views
x=x0+v0t+1/2at^2. Assuming that x0=0, a=2, and x=h, solve for t in terms of initial v and h?x0 mean initial value of x same with
1. 2 answers
2. 3,567 views
A 4'' diameter round pizza with area As and a 12'' diameter round pizza with area Ab. What is the ratio Ab/As?How many times
1. 1 answer
2. 367 views
Consider the equation -mv0 +3mv0 = 4mvf. Where m and v0 are constants, Solve for vf. Simplify answer.
1. 1 answer
2. 339 views
Indicate in standard form the equation of the line passing through the given points.G(4, 6), H(1, 5)
1. 2 answers
2. 742 views
What are the UV ray statistics from 2002-2012?
1. 1 answer
2. 300 views
The cirucumference of a ballon is 75 inches and the diameter is 12 inches what is the volume?Science - Ms. Sue, Saturday,
1. 1 answer
2. 1,105 views
The cirucumference of a ballon is 75 inches and the diameter is 12 inches what is the volume?
1. 2 answers
2. 392 views
Use rational exponent to write 4 cube root x multiply by 6 cube root 6x as a single radical expresion.
1. 1 answer
2. 409 views
Use rational exponent to write 4 cube root x multiply by 6 cube root 6x as a single radical expresion.
1. 1 answer
2. 511 views
The formular r= 2 cube root5L can beusedto approximate the speed r,in mile per hour,of a car that has skid marks of lenght L,in
1. 2 answers
2. 438 views
Solve for x,assuming x≠0:(-2/5)+(x+4/x)=1
1. 1 answer
2. 437 views
Find the point on the line 2x+7y-6=0 which is closest to the point (-5,5.
1. 2 answers
2. 858 views
An equalateral triangle has the length of it's sides given as (y+3)cm, (2y-x)cm and (4x +3)cm.Find (a) the value of x and y
1. 2 answers
2. 915 views
A child pedals a tricycle, giving the driving wheel an angular speed of 0.373 rev/s. If the radius of the wheel is 0.260 , what
1. 2 answers
2. 2,904 views
The Crab Nebula One of the most studied objects in the night sky is the Crab nebula, the remains of a supernova explosion
1. 1 answer
2. 915 views
Pigeons are bred to display a number of interesting characteristics. One breed of pigeon, the "roller," is remarkable for the
1. 1 answer
2. 601 views
Yo-Yo man releases a yo-yo from rest and allows it to drop, as he keeps the top end of the string stationary. The mass of the
1. 2 answers
2. 2,402 views
To a class of 28 pupils, 12 new pupils whose average age is 10 months less than the average age of the 28 are added. By how many
1. 1 answer
2. 460 views
To a class of 28 pupils, 12 new pupils whose average age is 10 months less than the average age of the 28 are added. By how many
1. 1 answer
2. 555 views
How many moles of Fe2O3 are required to produce 38.4 moles of Fe?
1. 1 answer
2. 701 views
PLS I NEED POINTS TO WRITE THIS DEBATE. Write against the motion ' The use of mobile phones by second cycle institution boarding
1. 4 answers
2. 540 views
A car moves with an initial velocity of 25ms-1 and reaches a velocity of 45-1 in 10s. What is the acceleration of the car?
1. 4 answers
2. 670 views
What changes would you make to the below paper?The Dark Knight was the most popular film of 2008. Unlike most popular summer
1. 5 answers
2. 521 views
A reciprocating compressor is a device that compresses air by a back-and-forth straight-line motion, like a piston in a
1. 1 answer
2. 835 views
why is the sequence of your paragraphs important in an essay
1. 1 answer
2. 298 views
let m and b be nonzero real numbersif the line y=mx+b intersects y^2=4px in only one point, show that p=mb
1. 1 answer
2. 452 views
Name two institutions/community organistations that are involved in supporting or giving redress to water pollution
1. 3 answers
2. 435 views
What steps must be taken prior to writing an effective persuasive essay? How will those steps contribute to the effectiveness of
1. 6 answers
2. 865 views
If one object on the moon weighs 42 pounds how much would it way on earth? Why?
1. 1 answer
2. 537 views
In lab, a meter stick has its center of gravity at the 45.5 mark. The stick is supported with a meter stick clamp at the 25.0
1. 0 answers
2. 676 views
What is the rythem of the authors writing in the below paragraph?3. Individuals can be denied credit for a number of reasons.
1. 3 answers
2. 849 views
Make up a word problem that uses a quadratic function and requires finding either a maxiumum or minimum value.?
1. 1 answer
2. 336 views
What is a principals report?
1. 3 answers
2. 373 views
A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point.
1. 1 answer
2. 474 views
Are there any compounds besides and,but,or,nor
1. 1 answer
2. 384 views
A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point.
1. 0 answers
2. 461 views
A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point.
1. 0 answers
2. 470 views
I have a homework on debate on the motion 'The youth should be blamed for indiscipline in the society ' .Please help of to raise
1. 8 answers
2. 1,401 views
I would greatly appreciate your help with a math equation needed for a science experiment I'm researching. The case is the
1. 1 answer
2. 582 views
Pa and Oz start walking at the same corner of a field whose south- west is bounded by a straight wall. Pa walks alongside the
1. 0 answers
2. 448 views
Which of the following is(are) true for an exothermic reaction? [H = enthalpy]A) ƒ´H¢X > 0 B) ƒ´H¢X < 0 C) Hreactants >
1. 0 answers
2. 322 views
what number gives the same result when multiplied by 6 as it does when 6 is added to it?
1. 8 answers
2. 3,984 views
The length of a rectangle is twice its width if the area of the rectangle is 200 m squared, find its perimeter.
1. 2 answers
2. 2,851 views
100 m from a traffic light, a motorist sees it to red. If he needs to accelerate at -1 m.s ^2 to stop at the traffic light, what
1. 1 answer
2. 1,123 views
A man using a 70 kg garden roller on a level surface exerts a force 20 kgf at 45 degrees to the ground . Find the vertical force
1. 1 answer
2. 2,354 views
Could someone please check my solution-Thank you-DRWLS helped me set it up and I solved it, I thinkFrom the top of a mountain
1. 2 answers
2. 480 views
From the top of a mountain 150 feet high, Jessie stands at the safety rail on the edge and looks below. The angle of elevation
1. 3 answers
2. 474 views
2 forces acting at a point make angles of 25 and 65 degrees respectively with their resultant which has a magnitude of 150 N
1. 2 answers
2. 784 views
3 stings are attached on a ring. 2 of the strings make 70 degrees angle and each is pulled with 7.0 N . What force must be
1. 1 answer
2. 401 views
the tangent line to the curve y=1/3(x^3)-3x^2+11x+15 is parallel to the line 9x-3y=2 at two points on the curve.Find the two
1. 0 answers
2. 508 views
Doing some test corrections and not seeing this....Please help:Verify. csc^4x - cot^4x = 2csc^2x-1
1. 2 answers
2. 831 views
Having trouble with this:Verify: csc^4x-cot^4x=2csc^2x-1 *the numbers after the carets are to the power of
1. 0 answers
2. 1,211 views
When a 1.350g sample of element X is heated in a stream of chlorine gas 6.67g of XCl3 are formed.1.) What(write) is a balance
1. 1 answer
2. 706 views
When a 1.350g sample of element X is heated in a stream of chlorine gas 6.67g of XCl3 are formed.1.) What(write) is a balance
1. 1 answer
2. 575 views
A student studies for a statistics exam where all questions are true or false. A reputable source indicates that with studying
1. 1 answer
2. 1,178 views
The normal boiling point for acetone is 56.5 Celsius. The atmospheric pressure is 630torr. What would be the boiling point of
1. 0 answers
2. 1,387 views
BP -164°C ΔHvap 8.136 kJ/mol sg 2.205 J/g°CMP -182°C ΔHfus 0.928 kJ/mol sl 2.41 J/g°C Using the data above for methane,
1. 0 answers
2. 588 views
which of the following are predicted by the molecular orbital model to be stable diatomic species N22-, O22-, F22-
1. 2 answers
2. 2,158 views
In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the
1. 2 answers
2. 1,130 views
A 400 kg rocket sled can be accelerated at a constant rate from rest to 1600 km/h in 2.0 s. What is the magnitude of the
1. 2 answers
2. 645 views
In defining the sizes of orbitals, why must we use an arbitrary value, such as 90 percent of the probability of finding an
1. 0 answers
2. 711 views
If you drive 20 laps around a circular race track at 100 m/s what do you know about your speed, velocity and acceleration?
1. 1 answer
2. 501 views
why is temperature of H2O2 measured in the graduated cylinder?
1. 3 answers
2. 362 views
Balancing redox reactionsBalance in acid solution 1. PH3+ I2 -> H3PO4 + I- 2. ClO3- + Cl- -> Cl2 Balance in basic solution Se ->
1. 0 answers
2. 743 views
I need help with balancing redox reactionsBalance in acid solution: 1) PH3+ I2 --> H3PO4+ I- 2) ClO3- + Cl- --> Cl2
1. 0 answers
2. 507 views
“There are many social and cultural contexts you interact with that strongly influence development. These contexts include
1. 1 answer
2. 573 views
Balance in acid solutionPH3+ I2-> H3PO4+ I-
1. 0 answers
2. 453 views

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