Ask a New Question

Questions and answers by

Ryan

Questions (766)

Find the limit as x approaches -4 of 4-lxl/4+x
1. 1 answer
2. 352 views
An experiment was conducted where rats could choose to enter one of two corridors, A or B. A random sample of three rats is
1. 0 answers
2. 743 views
Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the
1. 1 answer
2. 693 views
A motorboat accelerates uniformly from a ve-locity of 6.2 m/s to the west to a velocity of 1.7 m/s to the west. If its
1. 2 answers
2. 662 views
Evan is 1.8 metres tall. He walks between two lampposts that are 5 metres apart and notices his shadow from one of the lampposts
1. 0 answers
2. 388 views
How many moles of H2(g) will be formed in the reaction between 0.99 mol CaH2}(s) and 1.32 mol H2O(l)?
1. 0 answers
2. 977 views
How much methanol, CH3OH (d = 0.792g/mL), in milliliters, must be dissolved in water to produce 2.15L of 0.470 M CH3OH?
1. 1 answer
2. 1,275 views
A motorcycle is traveling at 20 m/s when it enters the test section of a circular track with a 1000-m radius. Once in the test
1. 0 answers
2. 534 views
An rms voltage of 120 V produces a maximum current of 2.6 A in a certain resistor.Find the resistance of this resistor?
1. 1 answer
2. 1,430 views
How long does it take for the current in an circuit with = 150Ω and = 65mH to reach half its final value?
1. 1 answer
2. 370 views
Use normal approximation(Z-score for p-hat) to find the probability that student scores 80% or lower on a 100 question quiz.A)If
1. 1 answer
2. 588 views
You take and SRS of size 25 from a population with mean 200 and standard deviation of 10. Find the mean and the standard
1. 1 answer
2. 927 views
how do you calculate the normal boiling point of PCl3
1. 1 answer
2. 696 views
European Union would be what type of Region?
1. 1 answer
2. 373 views
A scout troop is practicing its orienteering skills with map and compass. First they walk due east for 1.5 km. Next, they walk
1. 1 answer
2. 1,241 views
A scout troop is practicing its orienteering skills with map and compass. First they walk due east for 1.5 km. Next, they walk
1. 1 answer
2. 1,347 views
7136 divided by 8 I am working in a work book and the answer is 892, but I can't figure how? can someone break it down for me.
1. 6 answers
2. 1,893 views
A ball is thrown downwards at 15 degree to and below the horizontal with a velocity of 15m/s from a slope of 10m high. Determine
1. 1 answer
2. 494 views
Lead pellets of total mass 0.46 kg are heated to 107 C and then placed in a well-insulated aluminum cup of mass 0.15 kg that
1. 0 answers
2. 510 views
you have 704m of fencing to enclose 3 adjacent plots(not the same size) you must use calculus to fine the dimensions for which
1. 2 answers
2. 414 views
Use the properties of linear operations with vectors to show that for any vector a: -> 0a=0
1. 2 answers
2. 417 views
Calculate ΔG (in kJ) for the reaction:CO2(g) + CCl4(g) = 2 COCl2(g) at 25oC under the conditions: CO2 = 0.120 atm, CCl4 = 0.162
1. 1 answer
2. 659 views
Rank these gases in order of increasing standard molar entropy:Column preview Smallest S Br2(g) Second smallest S F2(g) Second
1. 1 answer
2. 1,844 views
Determine ΔG in kJ at a temperature of 261 K given ΔHrxn = 91 kJ and ΔSrxn = 151 J/K.
1. 0 answers
2. 398 views
Determine ΔSuniv in J/K at a temperature of 272 K given ΔHrxn = 77 kJ and ΔSrxn = 162 J/K.
1. 0 answers
2. 546 views
Coal can be used to generate hydrogen gas by this endothermic reaction:C(s) + H2O(g) CO(g) + H2(g) If this reaction is at
1. 0 answers
2. 755 views
Consider the following reaction at equilibrium:C(s) + H2O(g) CO(g) + H2(g) Predict which of these stresses which cause the
1. 0 answers
2. 1,126 views
The reaction SO2Cl2(g)--> SO2(g) + Cl2(g) has Kc = 2.99 x 10-7 at 227 degrees C. If a reaction mixture initially contains 0.166
1. 1 answer
2. 1,568 views
The reaction CO(g) + H2O(g)--> CO2(g) + H2(g) has Kc = 102 at 500 K. If a reaction mixture initially contains 0.154 M CO and
1. 0 answers
2. 598 views
The reaction 2 H2S(g)--> 2 H2(g) + S2(g) has Kp = 2.4 x 10-4 at 1073 K. A reaction mixture contains 0.146 atm of H2, 0.041 atm
1. 0 answers
2. 1,199 views
The reaction CO(g) + 2 H2(g)--> CH3OH(g) was studied using a 5.19 L flask and an initial condition of 26.9 g CO and 2.34 g H2.
1. 0 answers
2. 559 views
Calculate Kp for the reaction N2(g) + 3 H2(g)--> 2 NH3(g) given that the reaction has Kc = 438,880,639 at a temperature of 265.
1. 0 answers
2. 646 views
The reaction 2 COF2(g)--> CO2(g) + CF4(g) has Kp = 2,001,051 at a certain temperature. What would be the value of Kp for the
1. 0 answers
2. 614 views
The decomposition of XY is second-order in XY and has a rate constant of 0.00599 M-1s-1 at a certain temperature. If the initial
1. 0 answers
2. 456 views
An aqueous solution containing 35.1 grams of an unknown molecular (noneolectrolyte) compound in 152.5 grams of water was found
1. 1 answer
2. 879 views
The decomposition of XY is second-order in XY and has a rate constant of 0.00895 M-1s-1 at a certain temperature. If the initial
1. 0 answers
2. 540 views
Calculate the osmotic pressure (in torr) of a solution containing 17.15 mg of hemoglobin (molar mass 6.5 x 104 g/mol) in 12.8 mL
1. 2 answers
2. 1,157 views
A solution contains naphthalene dissolved in hexane at a concentration of 10.40% naphthalene by mass. Calculate the vapor
1. 2 answers
2. 927 views
A dioxin-contaminated water source contains 0.052% dioxin by mass. How much dioxin (in g) is present in 4.2 liters of this
1. 1 answer
2. 1,829 views
For the reaction A + 1/2 B --> 2 C, when C is increasing at a rate of 0.018 M/s, how fast is B decreasing?
1. 0 answers
2. 357 views
A solution is prepared by dissolving 22.8 mL of methanol (d = 0.782 g/mL) in 100 mL of water (d = 1.00 g/mL) so that the final
1. 1 answer
2. 638 views
A reaction in which A, B, and C react to form products is zero order in A, one-half order in B, and second order in C. If the
1. 1 answer
2. 1,202 views
The reaction N2O5 --> NO3 + NO2 is first-order in N2O5 and has a rate constant of 0.058/s. Calculate the rate of reaction when
1. 2 answers
2. 978 views
An aqueous KNO3 solution is made using 82.7 grams of KNO3, diluted to a total solution volume of 1.50 L. The density of this
1. 3 answers
2. 1,966 views
You have 45 coins. Five out of every 9 are heads and the rest are tails. How many coins are heads?
1. 1 answer
2. 499 views
I need to prepare a standard iron solution by dissolving an appropriate mass of solid Fe(NH4)2(SO4)2*6H2O in water in a 1L
1. 0 answers
2. 527 views
Help me calculate 6 - 3/4And place in order greatest to least 1/3, 4/9, 3/4, 5/6, 5/8, 2/3 3/12, 2/5
1. 3 answers
2. 400 views
Lois garden can hold 24 pepper plants and measures 51 square feet. Id Lori increases size of her garden to 104
1. 1 answer
2. 423 views
A company with 364 employees increases its workforce to 455. What is the percent increases in the workforce?
1. 1 answer
2. 478 views
How do you find compositions of functions?Example: (-x Squared)(x-2/5(8))
1. 0 answers
2. 339 views
Eighty students participate in an after school enrichment program consisting of science and creative writing. If 540 of the
1. 1 answer
2. 532 views
Eight one-inch cube are put together to make a “T”. If the complete figure is painted blue, how many cubes have exactly for
1. 2 answers
2. 1,638 views
An airline pilot pulls her 12.0 kg rollaboard suitcase along the ground with a force of 25.0 N for 10.0 meters. The handle she
1. 1 answer
2. 1,091 views
Use the shell method to set up, but do not evaluate, an integral representing the volume of the solid generated by revolving the
1. 1 answer
2. 1,876 views
Principal: $7,428Interest rate: 1.85% Time: 1 year Simple Interest:_________________ Fill int he blank
1. 1 answer
2. 409 views
Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 8.8 m long. His speed at the bottom of
1. 1 answer
2. 586 views
A cyclist coasts up a 10.3° slope, traveling 17.0 m along the road to the top of the hill. If the cyclist's initial speed is
1. 2 answers
2. 1,400 views
A 3.60 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 2.80 m, before
1. 0 answers
2. 525 views
In parallelogram WXYZ, m<Y = 65 degrees. What are the measures of W, X, and Z in degrees?
1. 3 answers
2. 2,814 views
If you start out with a 0.4M solution of Histidine at pH 6 and add an equal volume of 0.1M HCl, what would the final pH be?
1. 0 answers
2. 355 views
Quadrilateral ABCD has vertices A(-2,1), B(3,3), C(5,7), and D(0,5). Determine whether line AC is perpendicular to line BD.
1. 1 answer
2. 1,004 views
Doing this assignment and was wondering if i got the right answersAccording to the Census Bureau publication Current Population
1. 2 answers
2. 713 views
According to the Census Bureau publication Current Population Reports, the probability distribution for household size (number
1. 0 answers
2. 740 views
What is the per capita rate of increase (r) for a population whose per capita birth rate equals 0.1 and per capita death rate
1. 0 answers
2. 619 views
The time for an emergency medical squad to arrive at the sports center at the edge of a particular town is normally distributed
1. 1 answer
2. 638 views
The time for an emergency medical squad to arrive at the sports center at the edge of a particular town is normally distributed
1. 0 answers
2. 622 views
What isAdd 1/2x^2 + 1/2x + 1/5 3/5x^2 - 4/5x + 1/3
1. 1 answer
2. 363 views
The time for an emergency medical squad to arrive at the sports center at the edge of a particular town is normally distributed
1. 1 answer
2. 533 views
The distribution of lifetimes for a particular brand of lightbulbs has a mean of 110 hours and a standard deviation of 20 hours.
1. 1 answer
2. 686 views
How to I solve the pattern 64 __,__,__,32?
1. 1 answer
2. 370 views
Word Problem :The number has 3 digits the tens digit is half the hundreds digit the number is odd the sum of the digits is 9
1. 1 answer
2. 471 views
I need to know the rhythm and meter of Billy Collins "Forgetfulness"
1. 1 answer
2. 683 views
A bug walks along the circle x^2 + y^2 = 4. When it is at the point (1, (3)^1/2)), dx/dt = 2. Find dy/dt at this instant.
1. 1 answer
2. 782 views
A bug walks along the circle x^2 + y^2 = 4. When it is at the point (1, (3)^1/2)), dx/dt = 2. Find dy/dt at this instant.
1. 1 answer
2. 694 views
if Jen and Heather went to lunch. Jen discovered that she had only $8.00. Luckily Heather had enough money to pay the other part
1. 2 answers
2. 497 views
How can you increase the current flowing in an electric circuit?
1. 1 answer
2. 625 views
How many pi bonds and sigma bonds are present in ritalinI counted for pi bonds and 18 sigma bonds is that correct?
1. 0 answers
2. 433 views
How many pi bonds and sigma bonds are present in ritalin?
1. 2 answers
2. 1,206 views
The water in your bathtub is getting cold. You currently have 36 liters at 31°C. What is the new temperature after you add 10
1. 0 answers
2. 486 views
How many grams of NaNO3 are required to saturate 54 grams of water at 20 C( show steps )
1. 1 answer
2. 563 views
In a classic model, the electron of a hydrogen atom circles the proton at a radius of 0.0529·10−9m when it is in the n=1
1. 0 answers
2. 501 views
A ball is thrown horizontally, with a speed of 20 m/s from the top of a 6.2 m tall hill. How far from the point on the ground
1. 0 answers
2. 478 views
A ball is thrown horizontally, with a speed of 20 m/s from the top of a 6.2 m tall hill. How far from the point on the ground
1. 1 answer
2. 490 views
A car (mass 880 kg) is traveling with a speed of 44 mi/h. A bug (mass 7.9 mg) is traveling in the opposite direction. What speed
1. 0 answers
2. 490 views
Do Germany only have the european union trade agreement? I searched in the interent and it says that Germany has a new foreign
1. 0 answers
2. 595 views
gtai.de/EN/Navigationdoes this link the trade agreements in germany ??
1. 1 answer
2. 351 views
Write an equation of the line satisfying the given conditions in stand form. Ax+By=CHow would you do this? m=2 and contains
1. 2 answers
2. 987 views
What is the difference between WEU and EU?
1. 1 answer
2. 380 views
How do you write the rule for a functionwith the table x=0,2,4,5 y=4,6,8,9 ?
1. 5 answers
2. 343 views
PLEASE HELP!!i posted the question yesterday, they were unable to help me !please help me ! what is the recent environment issue
1. 3 answers
2. 553 views
what is a recent environmental issue that has directly affected a Canadian business that sells its product internationallyplease
1. 0 answers
2. 466 views
People don't buy from local merchantsLocal people don't have jobs Prices may be higher People aren't self-sufficient What other
1. 1 answer
2. 469 views
5 disadvantages of trade?
1. 6 answers
2. 433 views
what industry provide the bulk of trade in canada?Thank you!
1. 3 answers
2. 448 views
Locate and identify 10 important cities and towns on or around the Tennessee river. Include the longitude and latitude,
1. 1 answer
2. 440 views
After a 5% raise your new salary is $ 63000. Before the raise your salary was??Help. Please.
1. 2 answers
2. 1,319 views
Each of two runners at either end of a 1907 m straight track jogs toward the other at a constant 4.00 m/s. Suppose that a fly
1. 1 answer
2. 451 views
I am getting stuck on graphing equations.when something says y=1/2x-4.....I am supposed to put in numbers for x. however, I am
1. 3 answers
2. 596 views
For each of the following quadratics, determine if the equation has a max or a min, determine the value of the max or min, the
1. 1 answer
2. 437 views
Loyalty and betrayal are distinctive ideas in the novel "The Kite Runner" How is this idea developed throughout the novel?
1. 2 answers
2. 469 views

Pages

1
2
3
4
5
6
7
8

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025