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Questions Asked on November 13, 2015

Which is the molecular formula of a compound with the empirical formula BCH3 and a molecular mass of 103.38g/mole?
1. 1 answer
2. asked by Taylee
3. 457 views
What is the mass in amu of 3.12 moles of Ba(NO3)2?
1. 0 answers
2. asked by Tate
3. 396 views
During a baseball game, a batter hits a pop- up to a fielder 72 m away. The acceleration of gravity is 9.8 m/s^2. If the ball
1. 1 answer
2. asked by KT
3. 704 views
Why do you think Marie Antoinette's spending and lavish lifestyle angered the French?
1. 2 answers
2. asked by Anonymous
3. 1,186 views
Show the first three terms of each related sequence or series and solve each problem.1) Jerry hopes to buy a camera which costs
1. 1 answer
2. asked by Claire
3. 730 views
On Earth, naturally occurring calcium metal contains 6 isotopes: Ca-40, Ca-42, Ca-43, Ca-44, Ca-46, Ca-48. Select all of the
1. 1 answer
2. asked by Kayte
3. 855 views
x+2y=62x+4y=32 how would i graph them and what would be my points?
1. 1 answer
2. asked by Alea
3. 497 views
Student were given a mkxture of marbles,salt sand,and pebbles. Most efficent way to separate this listing 5 step direcxion and
1. 1 answer
2. asked by biby
3. 538 views
Posted by rfvv on Tuesday, November 10, 2015 at 5:23pm.1. Yosemite is famous for its natural wonders. 2. We arrived at Yosemite
1. 1 answer
2. asked by rfvv
3. 664 views
Is question multiplication or adding.Leoard read 85 Pages per day for 78 Days.How much did he read altogether?
1. 3 answers
2. asked by Mackenzie
3. 437 views
Simplify the following exponents.(3m^2n^7/m)^5
1. 1 answer
2. asked by Tom
3. 388 views
In what ways were diverse people from the Arabian Peninsula through the Middle East, North Africa, and into Spain united? What
1. 3 answers
2. asked by Sarah
3. 571 views
A company logo has 4 concentric circles suppose you graph the points (diameter,circumference ) and connect them with a line. In
1. 4 answers
2. asked by logan
3. 3,028 views
The reaction between hydrogen and oxygen to produce water gives off heat. What is the source of this heat? how could this heat
1. 1 answer
2. asked by Anonymous
3. 500 views
The lenths of the side of a triangle are x+4 units, x units, and x+1 units. Express the perimeter of the triangle as a
1. 2 answers
2. asked by Tanya
3. 1,557 views
1)What is the purpose of DNA? A) manufactures proteins B) reduces activation energy C) stores hereditary information D) to aid
1. 2 answers
2. asked by crossfire
3. 1,109 views
Simplify the following exponents.(3x^ay^bz^c)(-y^fz^g)
1. 1 answer
2. asked by Tom
3. 523 views
Perfluorotributylamine (PFTBA) is found in extremely low concentrations (0.18 parts per trillion) but it has a great impact on
1. 0 answers
2. asked by sam
3. 444 views
6)In ovaries, the final products of meiosis are A) haploid cells. B) diploid cells. C) triploid cells. D) polyploid cells. 7)
1. 4 answers
2. asked by crossfire
3. 1,565 views
We used a buret today, and I don't get how to calculate volume. I have an initial reading of 49.97 and a final buret reading of
1. 1 answer
2. asked by Anonymous
3. 1,547 views
Oxyacetylene torches are fueled by the combustion of acetylene, C2H2.2C2H2(g) + 5O2(g) --> 4 CO2(g) + 2H2O(g) If the enthalpy
1. 1 answer
2. asked by Sarah
3. 1,831 views
An airplane flys at a constant altitude of 2 miles and a constant speed of 600 miles per hour on a straight course that will
1. 2 answers
2. asked by John
3. 1,661 views
8x/3+2/9
1. 2 answers
2. asked by Dominique
3. 290 views
The blood vascular system consists of blood vessels (arteries, arterioles, capillaries, and veins) that convey blood from the
1. 1 answer
2. asked by sam
3. 1,412 views
How many moles of gas must be forced into a 4.4 L tire to give it a gauge pressure of 32.4 psi at 30 ∘C? The gauge pressure is
1. 2 answers
2. asked by Staci
3. 1,207 views
A manufacture has been selling 1400 television sets a week at $450 each. A market survey indicates that for each $14 rebate
1. 1 answer
2. asked by sarm
3. 1,280 views
Is there another number that has the prime factorization 2x5 to the six power
1. 1 answer
2. asked by Rosangela
3. 378 views
6. What skills does being an accessory designer require that being a sale representative does not?- 7. Could a sales
1. 4 answers
2. asked by Shina
3. 3,972 views
In a calorimeter experiment done at constant pressure in which all the heat from a chemical reaction was absorbed by the
1. 1 answer
2. asked by Anonymous
3. 1,189 views
A street light is at the top of a 16 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 8 ft/sec along a
1. 1 answer
2. asked by jeff
3. 4,003 views
what contribution did henry clay make to the issue of slavery
1. 1 answer
2. asked by Lauren
3. 443 views
How do you round 6 and 1/2
1. 1 answer
2. asked by gvfgnbfgbctbv
3. 294 views
In what ways were diverse people from the Arabian Peninsula through the Middle East, North Africa, and into Spain united? What
1. 2 answers
2. asked by Sam
3. 558 views
A farmer has 54m of fencing with which to build two animal pens with a common side. one pen is rectangular; the other is square.
1. 2 answers
2. asked by Austin
3. 2,554 views
Find if series is convergent or divergent.Series from n=2 to infinity (4n+7)/(3n^3 -8n)
1. 1 answer
2. asked by John
3. 500 views
Find two positive numbers such that the sum of the first and twice the second is 100 and their product is a maximum.
1. 1 answer
2. asked by anon
3. 8,173 views
A photo measures 10cm by 8cm. if you wish to increase each picture of the side uniformly by such that the area increased by 75%,
1. 1 answer
2. asked by Francesco
3. 532 views
Is there Distribute Property of Division over addition or subtraction? I have all ready have the information for Multiplication
1. 1 answer
2. asked by Sasha
3. 388 views
A Gardner adds 3.5 oz of plant food to 2 gallons of water. The amount he was supposed to add is 4 oz. what is the percent error
1. 4 answers
2. asked by Joseph
3. 444 views
An insurance company asks you to determine whether older drivers are safer than younger ones. Provide a directional hypothesis
1. 1 answer
2. asked by Bradman
3. 1,276 views
Kieth spends 1/6 of his savings on a magazine and 2/5 of the remainder on a storybook. What fraction of his savings is left?
1. 4 answers
2. asked by Nathan
3. 1,694 views
There are caps in a box. 1/6 are red, 1/3 are blue, and 3/7 of the remainder are green. There are 27 green caps, how many caps
1. 1 answer
2. asked by Nathan
3. 613 views
How can you use two-step equations to represent and solve real-world problems?
1. 1 answer
2. asked by Hunter
3. 972 views
Chemistry,what is the k.e of 4 moles of nitrogen gas at 127 degree centigrade?
1. 0 answers
2. asked by usman
3. 357 views
Nitrogen and oxygen can react directly with one anotheer to produce nitrogen dioxide according toN2(g) + 2O2(g) --> 2NO2(g) The
1. 2 answers
2. asked by Sarah
3. 1,328 views
Silver oxide is used in small batteries called button batteries (Figure below). It decomposes upon heating to form silver metal
1. 1 answer
2. asked by Makayla Brad
3. 1,046 views
1. He became the captain of the class.2. He became the president of the class. 3. He became the head of the class. 4. He became
1. 1 answer
2. asked by rfvv
3. 572 views
The blood vascular system consists of blood vessels (arteries, arterioles, capillaries, and veins) that convey blood from the
1. 0 answers
2. asked by jeff
3. 833 views
A manufacture has been selling 1400 television sets a week at $450 each. A market survey indicates that for each $14 rebate
1. 1 answer
2. asked by jeff
3. 954 views
The top and bottom margins of a poster are 8 cm and the side margins are each 9 cm. If the area of printed material on the
1. 1 answer
2. asked by domingo
3. 2,086 views
1) For tax purposes a manufacturer is allowed to depreciate the value of a machine by 10% each year. If the original value of
1. 2 answers
2. asked by Anon
3. 482 views
30 g services nag of a certain breakfast cereal has 0.5 g of salt . How much salt would that be in milligrams
1. 2 answers
2. asked by Mit
3. 1,301 views
The rodent population in a city is currently estimated at 70,000 and is growing according to the Malthusian model. If it is
1. 2 answers
2. asked by Taylor
3. 937 views
Predict whether each of the following reactions would be exothermic or endothermic.a. CO(g) --> C(g) + O(g) b. 2H(g) + O(g) -->
1. 0 answers
2. asked by Anonymous
3. 574 views
Predict whether each of the following reactions would be exothermic or endothermic.a. CO(g) --> C(g) + O(g) b. 2H(g) + O(g) -->
1. 1 answer
2. asked by Anonymous
3. 860 views
Predict whether each of the following reactions would be exothermic or endothermic.a. CO(g) --> C(g) + O(g) b. 2H(g) + O(g) -->
1. 1 answer
2. asked by Anonymous
3. 586 views
This movie is so boring; it’s like watching grass grow.A. Imagery B. Simile C. Pun D. Antithesis B????
1. 3 answers
2. asked by Alex
3. 1,650 views
Identify the form of this equation5x+4y=8
1. 1 answer
2. asked by Bye
3. 478 views
1. How many grams of calcium chloride (CaCl2) are there in 600.0 mL of an aqueous solution that has a concentration of 0.450 M
1. 7 answers
2. asked by angel
3. 1,238 views
That car is so expensive; it costs an arm and a leg.A. Pun B. Idiom C. Personification D. Metaphor Im debating between a pun and
1. 2 answers
2. asked by Alex
3. 780 views
Which special version of the Pythagorean Theorem can you use to find the length of any square's diagonal, d, using only the
1. 4 answers
2. asked by amber
3. 1,072 views
My mom told me not to worry. We will cross that bridge when we come to it.A. Hyperbole B. Simile C. Metaphor D. Cliche D?
1. 1 answer
2. asked by Alex
3. 1,090 views
I’m excited about my vacation. The beach has been calling my name.A. Personification B. Irony C. Hyperbole D. Onomatopoeia A??
1. 1 answer
2. asked by Alex
3. 1,916 views
1. In the reaction 2Ca(s) + O2(g) → 2CaO(s), which species is oxidized?
1. 5 answers
2. asked by anna
3. 23,435 views
Each cylinder bore of a cylinder engine has a diameter of 2.50in. and a height of 4.90 what is the combined total surface area
1. 1 answer
2. asked by william
3. 563 views
Identify the form of this equation5x+4y=8
1. 2 answers
2. asked by Bye
3. 744 views
What is the average speed of a a car that travels 3km in 2 hours
1. 1 answer
2. asked by autum
3. 428 views
1) Janet is offered a job with a starting salary of $15,000, and a guaranteed annual increase of $600. If she takes the job,
1. 1 answer
2. asked by Ron
3. 792 views
Predict the Order of increasing bond length for (i) H2(g) (ii) I2(g) (iii) F2(g)I don't know how I should know
1. 1 answer
2. asked by Anonymous
3. 569 views
A rectangle piece of gold has dimensions 0.3125in. by 18.0in by 15.0 in what is its total surface area? if gold weighs
1. 1 answer
2. asked by william
3. 457 views
When do the number of social movements increase?a- During an economic expansion b- during population shrinkage c- during
1. 2 answers
2. asked by Steve
3. 501 views
Choose the analogy below with the same relationship as - Downside is to UpsideA. Big is large B. Outside is to inside C. Boy is
1. 2 answers
2. asked by Alex
3. 1,640 views
A cyclinder cooling tank has an outside diameter of 6.00 ft. the wall on all sides are 5.00in thick and the tank is 10.0ft tall.
1. 0 answers
2. asked by william
3. 519 views
Check my answer?As estimate for square root 47 is between _____________ 1: 4 and 5 2: 5 and 6 3: 6 and 7 4: 7 and 8 Is the
1. 2 answers
2. asked by Anonymous
3. 488 views
Use the following data2C(s) + 4H2(g) --> C3H8(g) DH= -103.85 kJ/molrxn C(s) + O2(g) --> CO2(g) DH= -393.51 kJ/molrxn H2(g) +
1. 1 answer
2. asked by Anonymous
3. 780 views
ruth bought 18 pieces of candy. he gave 1/6 of apples to each of his 5 friends how many apples did each friend get
1. 1 answer
2. asked by ninnie
3. 420 views
18 pieces of candy give 1/6 to 5 friends how many did each get
1. 2 answers
2. asked by ninnie
3. 348 views
Choose the meaning that best matches the word in italics.The speaker spoke with such eloquence and passion that he received a
1. 3 answers
2. asked by anon
3. 1,298 views
A lap pool is going to be built that is 20 times long as it is wide. The builder has 150 feet of decorative tile to place along
1. 1 answer
2. asked by Jodie
3. 629 views
Can someone check my answerswhen a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before
1. 1 answer
2. asked by Anonymous
3. 1,261 views
1. The average individual should consume ______ calories on a daily basis.1,000 2,000 3,000 5,000 i think it is 2,000 but
1. 45 answers
2. asked by anon
3. 28,421 views
Consider the following reaction:CaCO3 - CaO + CO2 Calcium carbonate (CaCO3) was heated to yield CaO and CO2. If 60.0g of CaCo3
1. 0 answers
2. asked by Nasa
3. 769 views
can some one help me with a few chem questions please.A chunk of iron weighs 4.32 g. a) How many iron atoms are there in this
1. 4 answers
2. asked by anna
3. 2,024 views
3. A cylinder and an airtight piston are used in the following experiment. The piston is pushed up and down in the cylinder and
1. 0 answers
2. asked by kado
3. 786 views
Theater Total Value of Ticket SalesA $1,600 B $2,000 C $1,800 D $4,800 E $3,200 The table above shows the total value of the
1. 2 answers
2. asked by Drew
3. 790 views
How does the elastic modulus vary with temperature?in polymers
1. 0 answers
2. asked by Daksh
3. 342 views
european countries traded mali for which natural resource
1. 1 answer
2. asked by pra
3. 415 views
Carbon disulfide (CS2) is useful, but flammable, solvent. Calculate DH for the following reaction.CS2(l) + 3O2(g) --> CO2(g) +
1. 1 answer
2. asked by Anonymous
3. 512 views
Belinda used her calculator to find the decimal for the fraction 21/28, When she entered 21/28 the calculator gave an answer
1. 1 answer
2. asked by Eli Nelson
3. 447 views
Isomers are compounds that have the same number and kinds of atoms but have a different arrangement of the atoms. The enthalpies
1. 1 answer
2. asked by Sarah
3. 556 views
Scores on a test are normally distributed and have a mean of 75 and a standard deviation of 4.2. What score does a student need
1. 1 answer
2. asked by Nakita
3. 496 views
6. A meander is best described as aA. depression for swimming. B. bend or curve in a stream channel. C. straight streamline into
1. 1 answer
2. asked by Amber
3. 733 views
In TRIANGLE ABC points P,Q,R arethe points lies inside triangle in such a way that Ap= PR, BQ=QP &QR=RC n area of triangle PQR
1. 0 answers
2. asked by sanjay
3. 537 views
an investment club placed $33,000 into two simple interest accounts. On one account, the annual simple intrest rate is 9.5%. On
1. 3 answers
2. asked by Melissa Jefferson
3. 1,152 views
The current, I, in amperes, for an electric circuit is given by the formula I=4.3sin120(pi)t, where t is time, in seconds.a)At
1. 1 answer
2. asked by Bethany
3. 1,993 views
Suppose just go is selling magazine subscriptions each of the scription cost $20 the company pays the school half of the total
1. 1 answer
2. asked by Kayla
3. 553 views
A cyclinder cooling tank has an outside diameter of 6.00 ft. the wall on all sides are 5.00in thick and the tank is 10.0ft tall.
1. 1 answer
2. asked by william
3. 483 views
1)Using Newton's Method with A=5, approximate the square root of 27. Do 2 iterations.2)Using Newton's Method with A=2,
1. 1 answer
2. asked by Mjeed
3. 717 views
Show that the reaction caco3 ->cao+co2 is not a redox reaction
1. 0 answers
2. asked by Anonymous
3. 753 views
Mai has 3 times as many teddy bears as tony. Altogether they have 24 teddy bears. If let tony has x teddy bears, make an
1. 1 answer
2. asked by Alana
3. 462 views

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