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Questions (125)
There are 11 clean individual socks in your sock drawer. There is only one matching pair among them. In the dark, you reach into
5 answers
5,098 views
What is the goal of Creative Commons?(1 point)
Responses to make it easier for people to publish their work online to make it
2 answers
193 views
I am having trouble finding the greatest common factor when there is a variable. I have these two problems I need help with.
1.
1 answer
534 views
What is a discriminant?
m_s_n encarta dictionary it explains it well In quadradic equations of the form ax^2 + bx + c = 0, the
1 answer
416 views
operating conditions 250-300 celcius and 50-100 atmospheres are consistent with the aims of achieving a high equilibrium yield
1 answer
474 views
ABC is a right-angled triangle atB. AB=(3x+2)cm and BC=2CM.GIVEN THAT THE AREA OF THE TRIANGLE IS 85CM SQUARE FIND THE VALUE OF
1 answer
744 views
Do Tariffs help us to maintain a favorable balance of trade and balance of payments?
7 answers
528 views
what are some chemical properties of pressure treated wood?
1 answer
452 views
what would happen if cytokinesis occured without mitosis???
2 answers
493 views
A 3.5 kg object is suspended from a spring of spring constant 725 N/m. Starting from the equilibrium position, the object has an
2 answers
493 views
Determine whether the following are endothermic or exothermic.
2H2O2 (l) �¨ 2H2O(l) + O2(g) ∆H = -190 kj C(s) + H2O (g) �¨
2 answers
623 views
what instrument is used to measure water vapor content of air?
4 answers
2,167 views
1.2g projectil e shot horiz. at a speed of 105m/s off a 124m high cliff.
a) determine time taken by the projectile to return to
1 answer
377 views
As a project manager, you are looking forward to completing your current project and
then taking a European vacation with your
2 answers
618 views
I need help with unscrambling these letters into 2 words ecnoevprmisrirtam.only hint it has to do with canada.
2 answers
523 views
ii) What is the formula of 1, 3-butadiene
1 answer
400 views
I'm confused as how to find the current for a circuit with both parallel and series resistors?
R1 = 2 Ù R2 = 5 Ù R3 = 11 Ù R4
5 answers
595 views
solve the inequality
x+3/x-2 less then or equal to 0
1 answer
287 views
Struggling to answer completely and logically, please critique the below:
Question: What were the similarities and differences
3 answers
582 views
A race car accelerates from rest at 5.7m/s squared. how fast will it be going at the end of that time? i need the abc method...(
1 answer
410 views
on heating the hydrate CaSO4*2H2O, how many moles of water should be driven off per mole of hydrate?
1 mole?
4 answers
2,614 views
calculate the percent water in CaSO4*2H20
20.9%?
2 answers
1,099 views
if you heat 15.00g of the hydrate CaSO4*2H20, and drive off the water, what is the weight of the anhydrous salt remaining?
How do
5 answers
1,487 views
CaSO4.2H2O ==> CaSO4 + 2H2O
moles CaSO4.2H2O = 15.00 g x (1 mole CaSO4.2H2O/172.172) = 0.08712 moles. moles CaSO4 = same. grams
4 answers
1,388 views
Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water?
The
2 answers
1,183 views
Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water?
84.
4 answers
855 views
help me unscramble iritoncf
4 answers
869 views
Considering that a researcher can test at the <p = .05 (95%), p = .01 (99%), or p = .001 (99.9%) level for statistical
2 answers
827 views
Determine the coordinates of the point of intersection of the two perpendicular lines that intersect on the y-axis and are both
4 answers
1,265 views
A tiger leaps horizontally from a 5.5 m high rock with a speed of 3.1 m/s. How far from the base of the rock will she land?
3 answers
812 views
The U.S army's parachuting team, the Golden Knights, are on a routine jumping mission over a deserted beach. On a jump, a 65 kg
4 answers
2,664 views
What is the difference in blood pressure (mm-Hg) between the top of the head and bottom of the feet of a 1.008 m-tall person
3 answers
1,359 views
A rectangle is 80 cm long and 20 cm wide. Find, to the nearest degree, the acute angle formed at the intersection of the
4 answers
1,718 views
In the figure , suppose C_1 = C_2 = C_3 = 18.0 <units>\mu F</units>.If the charge on C_2 is Q_2 = 33.0 <units>\mu C</units>,
1 answer
339 views
An elastic cord is 69 {\rm cm} long when a weight of 79 {\rm N} hangs from it but is 90 {\rm cm} long when a weight of 170 {\rm
1 answer
447 views
one of the major U.S. tire makers wishes to review its warranty for their rainmaker tire. The warranty is for 40,000 miles. The
3 answers
1,441 views
what is the morality of a solution made by dissolving 1.00g of sodium hydroxide, NaOH in 100 mL of water
2 answers
586 views
what is the morality of a solution made by dissolving 1.00g of sodium hydroxide, NaOH in 100 mL of water
4 answers
897 views
what is the morality of a solution made by dissolving 1.00g of sodium hydroxide, NaOH in 100 mL of water
1 answer
460 views
A person drops a stone from a bridge. How high is the bridge if they hear the splash 4 seconds later. Assume the speed of sound
2 answers
682 views
can i get a paragraph on 'An imaginary trip to the moon'?
4 answers
1,699 views
how is statistics defined
1 answer
351 views
The crystal structure of cesium chloride (CsCl) is shown in the figure below. The dark spheres represent atoms of Cl.
Identify
4 answers
1,086 views
(a) Calculate the lattice constant a in palladium (Pd). Use only the information available in the class Periodic Table, and
2 answers
1,082 views
Calculate the density of atoms along [011] in molybdenum (Mo). Use only the information provided in your class Periodic Table,
4 answers
459 views
CdO is cubic with a lattice constant a=4.695 A˚ and a density ρ of 8.15 g/cm3. Determine the crystal structure of CdO.
Simple
2 answers
541 views
An x-ray generator operated at a plate voltage of 7000 V is incapable of producing Ni Kα radiation. Calculate the minimum
3 answers
385 views
Name the following crystallographic features below using proper crystallographic notation.
Image One [2ˉ21] [1ˉ12ˉ]
10 answers
499 views
Your x-ray lab has a monochromator consisting of a single crystal of nickel cut so that the (001) plane lies in the cube face.
3 answers
437 views
Which is the higher density of polyethylene, linear or branched? Select the choice with the best accompanying explanation.
Linear
5 answers
1,190 views
Shown below are several options for the box notations of the ground state electron configuration of the following gas-phase
3 answers
575 views
a 57 g of copper is at 12 degrees celsius, if 1012 J of energy is added to the copper, what is the final temperature of the
2 answers
500 views
a 57 g of copper is at 12 degrees celsius, if 1012 J of energy is added to the copper, what is the final temperature of the
1 answer
453 views
triangle abc is similar to def, the lengths of the sides of triangle abc is 5,8,11. what is the length of the shortest side of
5 answers
6,166 views
60.0 grams of Th-210 with a half life of 50,000 years is allowed to decay for 250,000 years. How much of the original quantity
2 answers
1,111 views
Find the molality, mole fraction, and percent by mass of a solution prepared with 500 grams of C12h22O11 in 2000 grams of H20
2 answers
526 views
For the decomposition of aluminum oxide at 35 celsius and atm, what volume of oxygen gas will be produced if 2.77 grams of the
1 answer
451 views
120 ml of a gas is in a flask at STP. If the gas is argon, what mass of gas is in the flask?
1 answer
380 views
You eat a new kind of fruit and suffer from hives for the first time in your life. A week later, you try the fruit and the hives
4 answers
1,080 views
I rarely do my homework. No matter how hard I try to focus and actually get things done, I just can't do it unless it's
1 answer
413 views
If the Powershooter 1800 is marked up 58.50 what is the cost and the percent markup cost?
3 answers
891 views
need some ideas for a classification essay on advertisement pls I have submitted three different options to my teacher and he
6 answers
485 views
Though it is a history essay, my question has to do with writing and essay. The following is what I submitted for an essay and
1 answer
631 views
I have posted two essays recently and have received no response, one was only a few hours ago but the other one was over 10 days
2 answers
566 views
I this binomial? or No?
A gumball machine contains 25 gumballs - 9 red, 6 blue, 7 green and 3 yellow. You buy five gumballs from
1 answer
466 views
What volume of 0.20M NaOH will contain 1.00g of NaOH
3 answers
576 views
Find the coordinates of the midpoint of a segment having the given endpoints.
Q(1, -3), R(11, 5)
2 answers
857 views
My answer ***
What is the product of (–6.8)2? a. –13.6 b. 46.24*** c. –46.24 d. 13.6 2. Simplify the expression - Square
20 answers
15,832 views
Discuss the isomerism exhibited by alkenes
1 answer
420 views
At 15 minutes past the hour, a 47.0 g mouse runs up a grandfather clock and sits himself down at the end of the minute-hand. If
2 answers
634 views
a metal p forms 2 different chlorides x and y. if 12.7g of chloride x and 16.3g of chloride y contain 7.1g 10.7g of chlorine
4 answers
1,991 views
Consider a lever rod of length 7.96 m, weight 71 N and uniform density. The lever rod is pivoted on one end and is supported by
2 answers
539 views
factor 3y^2+20y-7/ 5y +35 / (3y-1)
1 answer
410 views
Four times a number increased by seven is less than eleven.
3 answers
251 views
Place these in order!
1. Women notice that plants are growing out of the seeds in their trash pile, where they had spit out their
1 answer
339 views
A 0.41 kg football that is initially at rest acquires a velocity of 35 m/s when it is kicked. If the kicker's boot remains in
1 answer
244 views
A 125 g snowball is traveling with a speed of 22 m/s when it hits the fence. If the snowball is completely stopped by the fence
1 answer
274 views
A large truck traveling at +15 m/s collides head-on with a small car traveling at -15 m/s, which of the following statements is
1 answer
253 views
A 0.45 kg football traveling at a speed of 22 m/s is caught by a stationary receiver. If the football comes to a rest in the
4 answers
1,259 views
A 1000 kg car moving a 10 m/s collides with a stationary 2000 kg truck. The two vehicles interlock as a result of the collision.
1 answer
438 views
A 1500 kg truck is acted upon by a force that decreases its speed from 25 m/s to 15 m/s in 8 s. What is the magnitude of the
1 answer
221 views
A 10 kg ball moving at 5 m/s collides elastically with a stationary 2 kg ball. After the collision , the 10 kg ball is moving at
2 answers
585 views
A track in a national park has four legs from its starting point to its return. The first leg travels due east. The second,
3 answers
681 views
whats the solution to 89+k= -42 plz help
1 answer
50 views
7. Which statement correctly contrasts Mary Ludwig Hays’ contributions during the Revolution to those of Betsy Ross? (1 point)
4 answers
570 views
An open box will be made from a rectangular piece of cardboard that is 8 in. by 10 in. The box will be cut on the dashed red
1 answer
176 views
I need the answers for the PROPERTIES OF EXPONETS plz help
Which Expoent makes the statement true? 1/5^9 =5^?
1 answer
79 views
Which of these is a source of only federal tax revenue?
A. payroll taxes B. property taxes C. sales taxes D. income taxes
1 answer
118 views
What is the most likely result of new U.S. government programs beginning without any budget to pay for them?
A. Citizens in the
3 answers
148 views
Savannah does well at solving problems. She asks questions and thinks about solutions. She works well with others and can lead a
1 answer
80 views
Martin wants to go into the medical field for his career. Which value do you think is most important to him?
A. using his
1 answer
78 views
A tessellation is a ______ pattern of figures.
a. reflecting b. repeating c. symmetrical
1 answer
76 views
A tessellation has no ________.
a. gaps or overlaps b. translations c. repeated figures
1 answer
91 views
Tessellations are made by repeatedly overlapping a figure.
a. true b. false
1 answer
102 views
Triangle STU is translated right 2 units and 3 units down.. What are the coordinates of the vertices?
a. S'(-9, 12), T'(-12, 5),
7 answers
239 views
How does dividing species into kingdoms help us understand them?
1 answer
54 views
What graph would represent the equation y = x - 2?
1 answer
44 views
Which ordered pair is a solution of y = x^2-2?
a. (-2, 6) b. (5, 21) c. (-1, -1) d. (-5, 24)
4 answers
59 views
A researcher tagged 40 giant turtles in 2008. In 2009, she returned and captured 50 turtles, 16 of which were tagged. In 2010,
3 answers
93 views
Maria has the following scores on exams in her social studies class: 86, 75, 97, 58, 94, and 58.
1. Find the mean, median, and
1 answer
72 views
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