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Jake

Questions (1,018)

Consider the titration of 100.0mL of 0.10 M malonic acid with 0.10 M NaOH. What is the pH after the addition of 175 mL NaOH?
1. 1 answer
2. 752 views
If something falls in 255th place out of 313 total places, what percentile would it fall under?
1. 3 answers
2. 402 views
Simplify. 2/3a*2/a^2A. 4/3a^2; where a ≠ 0 B. 1/a^2; where a ≠ 0 C. 4/3a^3; where a ≠ 0 D. 4/3a^2
1. 1 answer
2. 366 views
Simplify x^2-3x-10/x+2A. x-5; where x≠ -2 B. x-5; where x≠ 5 C. 1/x-2; where x≠ 2 D. x-2
1. 3 answers
2. 1,821 views
MnCl3(aq)+K3PO4(aq) complete ionic equation
1. 2 answers
2. 1,528 views
Choose the pair of words that have a relationship similar to the first pair.1. Pamper:Spoil A. globe:orange B. stress:emphasize
1. 1 answer
2. 453 views
Directions: A large pizza at Tony's Pizzeria is a circle with a 14-inch diameter. Itsbox is a rectangular prism that is 1 14 8
1. 16 answers
2. 2,322 views
Hello,If I registered a license in 2018 and the license would expire in 3 years. What year would it expire? 2020 or 2021? I
1. 2 answers
2. 768 views
Use the given graph of the function on the interval (0,8] to answer the following questions.Where does the function f have a
1. 2 answers
2. 2,221 views
This month Carla caught the following fish in Lake George, 24 trout, 41 sunfish, 12 perch and 23 blue gills. If Carla catches
1. 5 answers
2. 6,224 views
Select the word that correctly completes the sentence below to convert from a smaller unit to a larger unit you may add buy
1. 5 answers
2. 1,343 views
What is the volume of a box that will hold exactly 567 cubes with 1/3 inch sides? I am somewhat confused on how to solve this.
1. 5 answers
2. 3,446 views
What are the forces you exert on a briefcase as you hold it while standing at a bus stop?
1. 4 answers
2. 550 views
Heat is added to a silver bar of mass 0.034 kg and length 0.28 m. The bar expands by an amount of 3.8×10-4 m. How much heat was
1. 2 answers
2. 494 views
Liquid oxygen boils at a chilly -183.0o C when the pressure is one atmosphere. A small silver disk of mass 34.0 grams and
1. 0 answers
2. 508 views
A 8.52 kg block of ice has a temperature of -17.9o C. The pressure is one atmosphere. The block absorbs 3.780×106 J of heat.
1. 0 answers
2. 479 views
A 0.60 kg chunk of ice has a temperature of -28.2o C. The pressure is one atmosphere. Heat is added to the chunk until it is
1. 0 answers
2. 454 views
Heat is added to a silver bar of mass 0.034 kg and length 0.28 m. The bar expands by an amount of 3.8×10-4 m. How much heat was
1. 0 answers
2. 426 views
0.115 kg of water at 89.0o C is poured into an insulated cup containing 0.226 kg of ice initally at 0o. Calculate the mass of
1. 3 answers
2. 1,744 views
4 kg of lead shot at 91.1o C are poured into 4 kg of water at 29.5o C. Find the final temperature (in oC) of the mixture. Use
1. 0 answers
2. 448 views
A 223.0 g piece of lead is heated to 85.0oC and then dropped into a calorimeter containing 577.0 g of water that initally is at
1. 0 answers
2. 511 views
A lead ball, with an initial temperature of 25.0oC, is released from a height of 125.0 m. It does not bounce when it hits a hard
1. 2 answers
2. 717 views
I have a math question that I am somewhat confused on that I need a bit of help with please.What is the shortest possible
1. 2 answers
2. 839 views
Carbonic acid forms when carbon dioxide dissolves in water according to this equation:CO2+H2O =H2CO3 How many moles of CO2 must
1. 1 answer
2. 2,148 views
first of today. wats 7-3 x 2x / 5 x 4 + 680 x 5(8x + 28) = 157
1. 1 answer
2. 440 views
if angle a equals 91 degrees and angle b equals 40 degrees what is the measurement of angle 1 on a triangle?
1. 1 answer
2. 1,016 views
Write in exponetial form:root x 1/x
1. 1 answer
2. 373 views
In which geographic region Texas is the NASA Johnson space center locatedA. Coastal Plains B. Great Plains C.Mountain and Basins
1. 4 answers
2. 2,700 views
Let f(x)=ax^2+(3a−2)x−6. What point does the right-hand x- intercept approach as a increases without bound?
1. 1 answer
2. 386 views
A bag contains 4 white, 3 blue, and 5 red marbles.1. Find the probability of choosing a red marble, then a white marble if the
1. 1 answer
2. 632 views
49.0 mL of HClO3 is completely titrated by 68.4 mL of a Sr(OH)2 solution whose concentration is 0.3893 M. What is the molarity
1. 1 answer
2. 939 views
What is the probability of getting an even number when rolling a six-sided number cube?
1. 1 answer
2. 610 views
Describe a situation that models a linear pattern and then describe a situation that models a nonlinear pattern.
1. 1 answer
2. 1,197 views
A function has f''(x) = 10 and has f'(4) = 0 and f(2)= 4. Find f(x).
1. 1 answer
2. 337 views
The speed of light is about 2.99x10^8 m/s. If a rocket travels at one-fifth the speed of light, find its speed in km/h (in
1. 1 answer
2. 676 views
The ratio of the cost of a tennis racket to tennis balls is 18:1. If a can of balls cost $5.35, what is the cost of the racket?
1. 6 answers
2. 2,433 views
What makes a hydrometer with a spherical bulb good for measuring precise density? What makes this shape better than others?
1. 0 answers
2. 521 views
For electromagnetic radiation with a wavelength of 576.3 nm:(a) What is the frequency of the radiation (in s-1)? (b) What is the
1. 2 answers
2. 999 views
If 3x^3+ax^2+3x+2 leaves a remainder of 4 on division by (3x-1), find a.
1. 0 answers
2. 742 views
Why is the 1970s considered to be a decade of change for the American media?
1. 1 answer
2. 457 views
The “Hatch Shell” in Boston has the arch with semi-elliptical form with a horizontal major axis. The base of the arch is
1. 1 answer
2. 1,610 views
All of the following are the result of the increase in large-scale, green revolution agriculture in the region, except:A. more
1. 5 answers
2. 1,506 views
4. Which of the following statements best summarizes Washington viewpoint on American foreign policy
1. 4 answers
2. 1,314 views
The area of a football field is 57600 square feet what is the area in square yards?
1. 1 answer
2. 1,152 views
Consider this line from “Two Kinds”:For unlike my mother, I did not believe I could be anything I wanted to be. I could only
1. 6 answers
2. 1,569 views
Water flows through a pipe of radius 4 cm at a rate of 3.5 m/s. Suppose each water molecule is singly ionized (highly
1. 1 answer
2. 753 views
An electric filament can heat 200 cm^3 of water from 5°C to 95°C in 6 minutes. If the voltage source is a 12 V battery, how
1. 1 answer
2. 472 views
The President can choose to get rid of democracy.A) True B) False (the correct answer?)
1. 3 answers
2. 852 views
The length of a rectangle is 5 meters more than twice the width, and the area of a rectangle is 42 square meters. Find the
1. 1 answer
2. 769 views
At the city museum, child admission is $5.40 and adult admission is $9.30. On Friday, 134 tickets were sold for a total of
1. 1 answer
2. 1,308 views
a cylindrical vat must hold 5m^3, the vat must be wider than it is tall, but no more than 3 m in diameter. What dimensions will
1. 1 answer
2. 548 views
To what extent should canadians try to stop human rights abuse in other countries today?
1. 1 answer
2. 454 views
what is the oxidation number of Carbon in C6H12?thank you!
1. 1 answer
2. 3,736 views
what is the molar ratio between barium hydroxide and potassium hydrogen phthalate if they were reacted together in an acid base
1. 0 answers
2. 1,039 views
Find the exact values for the lengths of the labeled segments a, b and p. Note that r=3 is the radius of the circle, and s=2 is
1. 1 answer
2. 859 views
A perimeter of EFGH is 100cm.what is the length of side FE?
1. 4 answers
2. 742 views
There are two triangles for whichA=30∘,a=5,and b=8 The larger one has c= ? and the smaller one has c= ?
1. 1 answer
2. 440 views
Charlotte borrows $9000 over 5 years to buy a second hand car. The loan must be repaid over 5 years at 12% p.a. simple interest
1. 2 answers
2. 1,390 views
If you wanted to create a equimolar buffer using 1.0 mol of NaHS in 1.0L of water what acid would you need to add? how many
1. 1 answer
2. 3,593 views
The quadratic function f(x) has roots at x=4 and x=-2 and has value of 2 at x=0. Does f(x) have a minimum or maximum?Find the
1. 1 answer
2. 528 views
A long straight vertical wire of diameter 2.0mm carries a steady current upwards. At 30mm from the centre of the wire, the
1. 0 answers
2. 568 views
What believe united the progressive movement?A. That societies problems could be solved B. That education needed reform C. That
1. 0 answers
2. 209 views
How many 4/5-foot planks can be cut from a board which is 12 feet long?
1. 1 answer
2. 508 views
lim (x⁻¹-1)⁄x-1 as x approaches 1.I know the answer is -1 but I am not sure how to solve the numerator x⁻¹-1.
1. 2 answers
2. 476 views
lesson 9: energy and the environment unit test science 8 A Unit 4: Energy and the environmentPlease HELPPPPPP!!!!!!!
1. 20 answers
2. 4,630 views
5. If a wave has a wavelength of 20m and a speed of 100 m/s, what is the period of the oscillation?v = wavelength / period 100 =
1. 1 answer
2. 973 views
1.A rectangular coil 0.065 m by 0.080 m is positioned so that its cross-sectional area is perpendicular to the direction of a
1. 1 answer
2. 947 views
1.A rectangular coil 0.065 m by 0.080 m is positioned so that its cross-sectional area is perpendicular to the direction of a
1. 0 answers
2. 897 views
A rectangular coil 0.065 m by 0.080 m is positionedso that its cross-sectional area is perpendicular to the direction of a
1. 1 answer
2. 782 views
A coil with 337 turns of wire, a total resistanceof 47 Ω, and a cross-sectional area of 0.35 m2 is positioned with its plane
1. 4 answers
2. 588 views
Given that the line x/a + y/b = 1 passes through ( 0 , 3 ) and ( 5 , 1 ), find the value of a and b
1. 1 answer
2. 867 views
Solve for x:e^4x-3 = 2e^2x1 ln2x+6) - ln(3x-1) = ln(2) Then, simply the radicals
1. 1 answer
2. 483 views
What power output will be provided for an amplifier having a gain of 12dB if the power input is 75W?
1. 1 answer
2. 570 views
In The Call of the Wild" which dog is sled-team leader after the death of Spitz?
1. 1 answer
2. 599 views
I don't understand how I would know what would happen if it collided or bounced, etc. How do I solve a question like this?
1. 4 answers
2. 801 views
(a) If the wavelength of an electron is 5.37 ✕ 10−7 m, how fast is it moving?(b) If the electron has a speed equal to 3.80
1. 1 answer
2. 705 views
So I have a lab exam tomorrow and our instructor said that one of the questions would be as follows:Prepare 100mL of 0.03 M
1. 1 answer
2. 900 views
Why were Middle Colones more favorable to farmers than New England? Thanks in advance for any responses!
1. 4 answers
2. 866 views
Net Ionic equation for1. Iron(II) Iodide and Magnesium Acetate 2. Ammonium Phosphate and Cobalt(III) Chloride 3. Sodium Acetate
1. 1 answer
2. 1,784 views
A 1300-kg car moving on a horizontal surface has speed v=65 km/h when it strikes a horizontal coield spring and is brought to
1. 1 answer
2. 1,349 views
Reread "The Night the Bed Fell" and "The Stolen Day." In a paragraph or two, compare and contrast the stories. Please help me.
1. 4 answers
2. 1,168 views
On September 1, 2011, Fast Track, Inc. was started with $30,000 invested by the owners as contributed capital. On September 30,
1. 0 answers
2. 996 views
A pilot wants to ﬂy from city A to city B, a distance of 394 km at an angle of 10.0 degrees west of north.The pilot heads
1. 1 answer
2. 702 views
the ratio of soccer ball to baseball is 12 to 15.if there is 48 soccer ball how many baseball are there
1. 4 answers
2. 1,921 views
What does this sentence mean from the Scarlet Letter?Yet the taste of the age, demanding whatever was elaborate in compositions
1. 1 answer
2. 496 views
Marxism is a theory of history and social change that expresses which of the following as its central concern?A) Violence B)
1. 3 answers
2. 653 views
A flower pot falls from a windsill 30 meters above the sidewalk. How fast is it going when it hits the ground? How long does it
1. 1 answer
2. 742 views
A boat that can travel at 3.0 km/h in still water crosses a river with a current of 1.7 km/h. At what angle must the boat be
1. 1 answer
2. 501 views
If a sinusoidal function has a local maximum at (3,8) and the next local minimum at (7,-2),1) What is the equation of a cosine
1. 1 answer
2. 698 views
Show that the line with parametric equations x = 6 + 8t, y = −5 + t, z = 2 + 3t does not intersect the plane with equation 2x
1. 1 answer
2. 1,114 views
How many moles are in 7.5x10^24 molecules of carbon dioxide? Grams?
1. 4 answers
2. 2,689 views
What is the area of a regular pentagon with an apothem 14 inches long and a side 20 inches long? Round the answer to the nearest
1. 6 answers
2. 5,741 views
war memorials honor those who fought and died for a nation. which of the following is not a reasons war memorials are important?
1. 14 answers
2. 1,339 views
How does the sun and wind help bioversty?
1. 0 answers
2. 339 views
If water temperature changes in favor of greater oxygen levels how do the population of the fish and wading bird population
1. 9 answers
2. 1,630 views
A series RL circuit contains two resistors.The resistors are 60ohm and 30ohm.when calculating the circuit values, what is the
1. 1 answer
2. 824 views
A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the
1. 1 answer
2. 1,013 views
The population of the world was 7.1 billion in 2013, and the observed relative growth rate was 1.1% per year.(a) Estimate how
1. 3 answers
2. 2,799 views
elena spent a week at a customer's factory in a different city.she used her debit card 19 times. for 4 of the 19 purchase, she
1. 10 answers
2. 526 views
How many moles are in 2.3 grams of oxygen gas.
1. 1 answer
2. 357 views

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