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Colin

Questions and answers by Colin

Questions (116)

I divide exactly by 100 my first two digits are equal the sum of my four digits is 8
1. 7 answers
2. 3,550 views
When NH3 is added to solid Hg2Cl2, some of the mercury ions are oxidized and some are reduced. A reaction where the same
1. 4 answers
2. 1,927 views
I know how to get the speed if it accelerated the whole time. How do I calculate the cruising speed?Starting from rest, a car
1. 4 answers
2. 1,627 views
an amtrak trainand a car leave new york city at 2 PM and head for a town 300 miles away. the rate of the amtrak train is 1 1/2
1. 3 answers
2. 451 views
a cessna can fly at a rate of 220 mph in calm air. traveling with the wind, the cessna flew 780 mi in the same amount of time as
1. 1 answer
2. 455 views
simplify(numbers AFTER the variable represent exponents) ALSO these are all fractions, theres just no way to put the line x2-64
1. 2 answers
2. 1,041 views
What is the ratio of sulfur atoms to oxygen atoms in SO2?
1. 4 answers
2. 1,117 views
Okay i have a few function questions im gonna post. Im completely confused with these so any help would be great.Minimum or
1. 2 answers
2. 531 views
1) a small pipe can fill a tank in 16 min more time than it takes a large pipe to fill the same tank. Working together, both
1. 4 answers
2. 563 views
a 10kg table needs to be pushed across the floor (µ=3). u stand behind it and push it at an anjgle of 30 degrees down with a
1. 1 answer
2. 465 views
potential energy is energy of _______or chemistry?
1. 1 answer
2. 335 views
Whatis the difference between the Hudson Bay Lowlands and the Arctic Lowlands?
1. 3 answers
2. 773 views
Name the five largest plates and on which plate Canada is located?
1. 3 answers
2. 384 views
What is happening to the distance between Canada and Europe?Which plates meet near the west coast of Canada? In whihc direction
1. 3 answers
2. 734 views
What is happening to the distance between Canada and europe
1. 4 answers
2. 422 views
Find the slope of the line passing through the points A(-4, 3) and B(4, 2)
1. 1 answer
2. 354 views
I have 28 participants. Each completed five tests. The maximum score a participant could receive on any one test was 4/4. The
1. 4 answers
2. 751 views
I have 28 participants. Each completed five tests. The maximum score a participant could receive on any one test was 4/4. The
1. 1 answer
2. 417 views
What is the definition of the word embers?
1. 1 answer
2. 413 views
5. What is the mass of the water?a. that fills a 1m^3 tank b. that fills a 2L bottle c. that would fill you empty classroom
1. 1 answer
2. 263 views
4. The dimensions of a king-size waterbed are 2.1m, 1.8m, and 23 cm. Find the volume and mass of the water it contains when
1. 2 answers
2. 608 views
The area A of a triangle is given by the formula A=1/2bh If the base of the triangle with height 12 inches is doubled, its area
1. 3 answers
2. 668 views
The area A of a triangle is given by the formula A=1/2bh If the base of the triangle with height 12 inches is doubled, its area
1. 2 answers
2. 688 views
Determine the molarity (in mol/L) of NO2− ions in solution when 9.77×101 g of sodium nitrite is added to enough water to
1. 1 answer
2. 478 views
I need a new written add on verse of bob dylan chimes of freedom song has to be 8 lines long and the last line is An' we gazed
1. 2 answers
2. 494 views
how do you break apart to divide:648 by 6 using compatible numbers to break apart the dividend.
1. 5 answers
2. 260 views
we have a problem that my parents cant help with.846*2=(...+40+...)*2=(800 over ...+...over2+6 over...)=(400+...+3)...=...
1. 3 answers
2. 907 views
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of
1. 3 answers
2. 748 views
chemistry question. How many grams of silver sulfide can be produced by heating 45 grams of silver excess sulfer?
1. 2 answers
2. 488 views
The mole fraction of an aqueous solution of sodium dichromate is 0.367. Calculate the molarity (in mol/L) of the sodium
1. 2 answers
2. 610 views
Jose, whose mass is 75 kg, has just completed his first bungee jump and is now bouncing up and down at the end of the cord. His
1. 1 answer
2. 715 views
Determine the volume (in mL) of 0.844 M hydrochloric acid (HCl) that must be added to 38.0 mL of 0.650 M sodium hydrogen
1. 2 answers
2. 505 views
A mixture containing CH3OH, HF, CH3F, and H2O, all at an initial partial pressure of 1.04 atm, is allowed to achieve equilibrium
1. 2 answers
2. 699 views
Determine the pH (to two decimal places) of the solution that is produced by mixing 30.3 mL of 1.00×10-4 M HBr with 829 mL of
1. 1 answer
2. 942 views
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4
1. 3 answers
2. 1,641 views
A solution of .12 L of 0.160 M KOH is mixed with a solution of .3 L of 0.230 M NiSO4.the equation for this reaction is: 2KOH
1. 2 answers
2. 612 views
A solution of .12 L of 0.160 M KOH is mixed with a solution of .3 L of 0.230 M NiSO4.the equation for this reaction is: 2KOH
1. 2 answers
2. 716 views
the molarity of a solution composed of 25.4g KHCO3 diluted with water to a total volume of 200 mL
1. 1 answer
2. 452 views
In the following experiment, a coffee-cup calorimeter containing 100 mL of H20 is used. The initial temperature of the
1. 4 answers
2. 1,038 views
assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that
1. 2 answers
2. 1,108 views
Calculate the [OH-] for a solution in which [H+] is 1000 times greater than [OH-]?and will the final result be acidic, basic, or
1. 2 answers
2. 993 views
The equilibrium constant for the reaction:2NO(g)+Br2(g)<==>2NOBr(g) Kc=1.3x10^-2 at 1000 Kelvin Calculate Kc for:
1. 5 answers
2. 3,884 views
calculate the pH of 20.00mL of 2.00 M HCl diluted to 0.500 L
1. 2 answers
2. 1,104 views
How do yo calculate a number to the power of 2.08 i.e. not a whole number.so 4 to the power of 2.08 Thanks.
1. 1 answer
2. 403 views
A toy train has 20 cars- blue, purple and orange. There are 4 times as many blue cars as purple cars. There are 5 times as many
1. 3 answers
2. 478 views
The Synthesis of an Iron Oxalato Complex Salt (“Green Crystals”)In this experiment you will synthesize a compound that will
1. 5 answers
2. 3,155 views
a driver sees a horse on the road and applies the brakes so hard that they lock and the car skids to a stop in 24 m. the road is
1. 2 answers
2. 875 views
(MnO40- + (C2O4)2- + H+ = CO2 + H2O + ?OR (MnO4)- + (C2O4)2-+ OH-=CO2 n+ H2O +? Can somebody please help me predict the
1. 2 answers
2. 603 views
Vector A has a magnitude of 5.00 units, vector has a magnitude of 5.00 units, and the dot product A·B has a value of 16. What
1. 3 answers
2. 614 views
2 moles of helium (He) are pumped from a gas canister into a weather balloon. The balloon at this point has a volume V1.1 mole
1. 2 answers
2. 647 views
You have a pulley 13.9 cm in diameter and with a mass of 1.7 kg. You get to wondering whether the pulley is uniform. That is, is
1. 1 answer
2. 848 views
A circular wire loop of mass M and radius R carries a current I. It hangs from a hinge that allows it to swing in the direction
1. 1 answer
2. 473 views
At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.1 m
1. 1 answer
2. 599 views
You would like to shoot an orange in a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. On your
1. 3 answers
2. 1,570 views
how many atoms of S are there in3 (NH4)2 SO4
1. 3 answers
2. 543 views
Airport control tower measures the distance to one plane taken off at 500m and distance to second plane coming for a landing at
1. 1 answer
2. 472 views
What is the length of a line segment with the endpoints being (12, -5) and (-3, 2)?
1. 1 answer
2. 313 views
2, 2, 2, 3, 3, 4, 3, 3, 5, 27, 1, 2, 3How does the outlier effect the mean
1. 1 answer
2. 175 views
Determine the percent yield for the reaction between 162 g of Sb2S3 and excess oxygen if 55 g of Sb4O6 is recovered along with
1. 1 answer
2. 342 views
Aluminum reacts spontaneously with bromine to produce AlBr3.If 218.08 grams of aluminum reacts with 258.21 grams of bromine and
1. 2 answers
2. 578 views
How did the U.S.-Japan relationship evolve in the years immediately following World War II?(1 point)Responses The U.S. played a
1. 5 answers
2. 73 views
Some flatworms reproduce through fragmentation. What is a disadvantage of this method? (1 point)Responses It is a much more
1. 3 answers
2. 54 views
Certain trees, in fact, produce seeds only when fire heats them. If the fire removes thick shrubs and undergrowth, the water
1. 3 answers
2. 380 views
isolate and solve the variable in this eqaution, make sure to explain the procces4(3x-2)=-24
1. 3 answers
2. 47 views
A scientist performs an experiment by placing petroleum jelly on under side of plant leaves. This blocks the leaves’ stomata.
1. 1 answer
2. 118 views
The United States involved itself in Vietnam in the 1960s because: (1 point)Responses the American people demanded the
1. 37 answers
2. 124 views
can you write me a small paragraph in 3-6 sentences, the begining needs to be "In order to compare and contrast print and
1. 1 answer
2. 49 views
Chemical energy for respiration is stored in the bonds of (1 point)Responses glucose molecules. glucose molecules. carbon
1. 1 answer
2. 71 views
Why is the energy pyramid not a smooth geometric shape like a triangle but, rather, looks like narrow blocks stacked on top of
1. 1 answer
2. 66 views
Which trophic level is always a necessity in an energy pyramid or food chain?(1 point)Responses secondary consumer secondary
1. 1 answer
2. 99 views
Animals obtain their nitrogen from(1 point)Responses plants. plants. nitrites. nitrites. bacteria. bacteria. nitrates. nitrates.
1. 4 answers
2. 120 views
Which of the following can be classified as a decomposer?(1 point)Responses corn corn owl owl frog frog fungus fungus
1. 1 answer
2. 118 views
The school store is running low on erasers for pencils. They want to order more, so they look at the prices for 4 brands. Which
1. 1 answer
2. 71 views
If a dozen pencils cost $1.35, what is the unit cost?(1 point)Responses $0.11 $0.11 $1.23 $1.23 $0.13 $0.13 $4.29
1. 11 answers
2. 102 views
A whale swims 200 miles in 5 days. Which equation can be used to find how many miles it swims in 16 days?(1 point)Responses
1. 5 answers
2. 34 views
Which two ratios form a proportion?(1 point)Responses 4/20 and 2/5 4/20 and 1/5 20/4 and 1/5 20/4 and 2/5
1. 1 answer
2. 44 views
Jenny wants to buy soda at the grocery store. The store offers three different packages. Which package has the best unit price?6
1. 1 answer
2. 84 views
what is the slope on-6,1 0,0 6,-1
1. 1 answer
2. 22 views
What is the first strange thing that happens on Maple Street?(1 point) Responses The power goes out. The power goes out. Lights
1. 3 answers
2. 56 views
Which word is an antonym of the word petulant(1 point) Responses cheerful cheerful intelligent intelligent official official
1. 1 answer
2. 35 views
Which of these people is part of the labor force?(1 point) Responses an eighth-grader with a paper route an eighth-grader with a
1. 1 answer
2. 52 views
How did ancient cultures pass down their beliefs and traditions?(1 point)Responses through insight through insight with
1. 1 answer
2. 142 views
What can be learned about the Yaqui culture from the folktale?(1 point)Responses what they stole from the gods what they stole
1. 1 answer
2. 54 views
How does the folktale show that the Yaqui respected animals?(1 point)Responses They explained how animals offered to help find
1. 1 answer
2. 53 views
What are the shared principles that guide the way of life in a community? (1 point)Responses old tales old tales planting
1. 1 answer
2. 51 views
Why did the Sioux have a sun dance?(1 point) Responses to please the Great Spirit to please the Great Spirit to celebrate the
1. 1 answer
2. 104 views
Why is the Bhagavad-Gita important to Hinduism?(1 point) Responses It contains collected hymns that are important historically.
1. 1 answer
2. 54 views
Why is the Bhagavad-Gita important to Hinduism?(1 point) Responses It contains collected hymns that are important historically.
1. 1 answer
2. 48 views
Emma has $26 for her weekend expenses. She spent $12.81, including tax, on a new book. Additionally, she needs to set aside
1. 11 answers
2. 65 views
An online music club has a one-time registration fee of $20 and charges $0.50 for each song download. If Ella has $50.00 to join
1. 9 answers
2. 35 views
An SAT tutoring service charges a $500 fee for two sessions, plus $50 for each additional session. Emily doesn't want to spend
1. 9 answers
2. 55 views
Sam can type 368 words in 8 minutes. What is the constant of proportionality that relates the number of words typed, y , to the
1. 5 answers
2. 37 views
Which of the following is a summary of a literary text?(1 point)Responses a mix of minor details and main points extracted from
1. 1 answer
2. 26 views
Two adjacent angles have a sum of 100°. The angles have measures ∠1 = 20° and ∠2 = (3x + 15)°. What equation can be used
1. 3 answers
2. 34 views
Which element contributes to the rhythm of a poem?(1 point)Responses spelling of words spelling of words alliteration of words
1. 3 answers
2. 53 views
Which sentence would support an inference that a character is happy?(1 point)Responses Ryan bounced out of the office with a
1. 1 answer
2. 43 views
Use the sentence to answer the question.“The basketball team huddled together before the last day. When the whistle blew, they
1. 1 answer
2. 41 views
What literary device is used in the phrase "lockers slammed shut like a rhythmic beat"?
1. 1 answer
2. 51 views
In the heart of Elmridge Middle School, where lockers slammed shut like a rhythmic beat and laughter echoed through the bustling
1. 5 answers
2. 48 views
In the metaphor "Time is a thief," what is the implied comparison?(1 point)Responses Time is a criminal who steals possessions.
1. 1 answer
2. 67 views

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