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February
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February 18, 2017
The combustion of propane (C3H8) produces CO2 and H2O:
C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g) The reaction of 3.5 mol of O2
2 answers
asked by
Agum
13,059 views
a 16 ounce pack of cereal cost $4.what is the unit cost?
4 answers
asked by
nimsay
5,508 views
How much does it cost to operate a 23-W porch light for 24 h if electric energy costs 8¢/kWh?
1 answer
asked by
Mary
4,674 views
James has a 6-ft board that is 24 in. wide. He wants to cut it into five pieces to make a small bookshelf with two shelves. The
1 answer
asked by
Anonymous
4,169 views
these lines of dialogue from the dairy of Anne frank, act 1 reveal a lot about Anne's character. In the paragraph , explain at
7 answers
asked by
yolo sans
3,156 views
Lead metal is added to 0.150 M Cr3+(aq).
Pb(s)+2Cr3+(aq)⇌Pb2+(aq)+2Cr2+(aq). KC=3.2×10−10 What is [Pb2+] when equilibrium is
1 answer
asked by
Sara
2,503 views
Find the surface area of a square pyramid with a base length of 11 cm and a slant height of 15
cm. (1 point) A.472 cm2 B.451 cm2
7 answers
asked by
penny
2,439 views
If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.04, what is the
1 answer
asked by
Katie
2,225 views
a cyclist rides for 5 hours at a certain speed and then for 4 hours at a speed 6 km/h greater than her original speed. If he
2 answers
asked by
John
2,127 views
Suppose you wanted to produce an aqueous solution of pH = 8.70 by dissolving one of the following salts in water: NH4Cl, KHSO4,
1 answer
asked by
Sara
1,819 views
Taking the resistivity of platinoid as 3.3 x 10-7 m, find the resistance of 7.0 m of platinoid wire of average diameter 0.14 cm.
3 answers
asked by
kaivonh
1,608 views
Ammonia may be oxidised to nitrogen monoxide in the presence of a catalyst according to the following equation. 4NH3
2 answers
asked by
Nisha
1,597 views
15. How might adolescents’ tendency to engage in such risky behaviors as unsafe sex and experimental drug use reflect brain
3 answers
asked by
Muhammad
1,503 views
Writing balanced chemical reaction of K2CO3 (s) and HCl (aq) ???
1 answer
asked by
Hashini
1,409 views
The number of calories needed to raise the temperature of 5.0g of water from 25C to 55C
1 answer
asked by
Daph
1,243 views
Solve the proportion
G/56=2/8 A)(g=14) B)g=16 C)g=13 D)g=50( Ms. Sue is this right ?
3 answers
asked by
Help I need somebody not just anybody
1,109 views
7. Research examining the perceptual abilities of newborn and very young infants has:
a) provided little information regarding
5 answers
asked by
Muhammad
1,093 views
If a 0.50-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of 7.6 N for a distance of
1 answer
asked by
Jeorge Gonzlies
1,058 views
In this scene the Sergeant compares Macbeth and Banquo to “As sparrows eagles, or the hare the lion.� Knowing that
1 answer
asked by
Anonymous
1,020 views
A page should have perimeter of 42 inches. The printing area within the page would be determined by top and bottom margins of 1
2 answers
asked by
Anonymous
982 views
The regular price of a sweater is $32. For a sale, the price of the sweater is marked down 30%. What is the sale price of the
2 answers
asked by
Rams
973 views
Lead metal is added to 0.150 M Cr3+(aq).
Pb(s)+2Cr3+(aq)⇌Pb2+(aq)+2Cr2+(aq). KC=3.2×10−10 What is [Pb2+] when equilibrium is
1 answer
asked by
Sara
930 views
A 145-lb student races up stairs with a vertical height of 4.8 m in 5.5 s to get to a class on the second floor. How much power
1 answer
asked by
Jeorge Gonzlies
887 views
I just need help studying the civil war. I only want to study. Another teacher of mine found out other students were cheating on
7 answers
asked by
Keeper
880 views
The cost of renting a car is given by the formula C= 50n +0.15d, where C is the cost in dollars, n is the number of days rental,
1 answer
asked by
Anonymous
858 views
A 1000 g sample of metal with a specific heat of 0.50 J/goC is heated to 100.0oC and then placed in a 50.0 g sample of water at
1 answer
asked by
nia
825 views
Karen spents 450 dollars on monthly bills. Of this total amount, 12% is for phone service,1/10 is for Internet service, and 2/9
3 answers
asked by
Anonymous
764 views
I am enrolled in an online Math 125 class. I posted this question earlier in the week and never got a response, so here I am! I
2 answers
asked by
Christine Johnston
761 views
If the 2nd and 5th term of a geometric progression are -6 and 48 respectively. Find the sum of the first four terms.
1 answer
asked by
Kelvin A.
731 views
charles has been told by the doctor he has lung cancer that is beyond treatment. His doctor tells him that he will probably die
3 answers
asked by
Muhammad
714 views
Based on the principals of asepsis, the healthcare provider should consider a sterile packet below waist level to be
2 answers
asked by
engl1301
646 views
Two cars leave a town at the same time and travel at constant speeds along straight roads that meet at an angle of 60° in the
4 answers
asked by
ANj
617 views
To what extent do wealthy countries, such as the US and the members of the European Union have a responsibility to do more for
4 answers
asked by
Derek
613 views
Using the average daily balance method and the information given, find the credit card finance charge for the month of
1 answer
asked by
Derek
593 views
The population of viruses in an influenza culture after t hours is given by the function
x(t) = 3et/1.7 The cost y in dollars for
1 answer
asked by
Ciara
589 views
a bird can fly in still air at 20 miles per hour. when the wind is blowing straight from the north at 10 miles/hr. in what
1 answer
asked by
ravi ranjan
584 views
Determine the power dissipated in each of the resistors and the power entering the source. Express your powers in Watts.
2 answers
asked by
Anonymous
573 views
One third of seema,s pocket money is Rs 2.How much does she get?
1 answer
asked by
ahmad
568 views
A block and tackle has a velocity of 6 and it is being used to raise a mass of 68 newtons through 3 meters. The efficiency is
1 answer
asked by
Laura
555 views
Mrs. Sue. Thank you for your words of kindness and not putting me down when I had a question. I have looked through your site
1 answer
asked by
Promise Keeper
529 views
Is the motion of the rider for each angle of inclination uniformly accelerated? Why or why not?
0 answers
asked by
mohammed
527 views
Good morning,
I have this question: the matrix A = 0 6 4 12 i) show that it is invertable. ii)Find the equation of the image f(c)
0 answers
asked by
Mat
524 views
Jan scored 17 points with four darts.what numbers
did she hit?
1 answer
asked by
Huda
520 views
if one card is drawn from a normal pack of 52 playing cards,what is the probability of getting a king or a heart?
1 answer
asked by
AAA
518 views
writing balanced chemical reaction of K2CO3 (s) with HCl (aq)??
1 answer
asked by
hashini
513 views
Rachel answer 20 out of 25 questions correctly on her science test what percent of the questions did she answer correctly
1 answer
asked by
Ciara
512 views
Which solution set best fit the solutions of -1.5^2+4x+2.2=0
2.2 and 3.1 or this one... no real solution -0.5 and 2.2 -0.5 and
2 answers
asked by
Jass
511 views
Mark the stressed syllables in the following sentences 1. can i see you today? 2. it's impoossible to please everybody. 3. The
2 answers
asked by
Imran khan
505 views
a basketball team won 60% of the first 70 games it played. there are 40 games still to be played in the season. How many of the
1 answer
asked by
Julia
505 views
1. We like stories which have unusual endings. <-- compound
2. The novel that was written is about dragons. <-- complex 3. The
1 answer
asked by
Anonymous
504 views
find the following probabilities after rolling a single one time. what is the probability of rolling on a 5 on the die?
3 answers
asked by
yatta
501 views
cosA=1/2 than cos4A=?
4 answers
asked by
ARUN
500 views
28.6% of the cases the victim was under 16 years old, in 21.2% the accident occurred at night, and 8.9% the victim was under 16
1 answer
asked by
izzy
498 views
The voltage in a electric current is 100 volts then with Ohm's law how do you find the instantaneous rate of change of I with
1 answer
asked by
kim
491 views
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Which equation is in standard form and represents a line with slope –1 through the point (–3, 5)? a.x+y=2 b.y=-x+5 c.-x+y=5
1 answer
asked by
maylea
478 views
What is the volume of a fish tank measuring 50 centimeters long 30 cent wide and 35 cent high
1 answer
asked by
Ernestine
475 views
What is the time and day at a certain place on 60°w longitude when it is 5:30 am on friday at a place 90 ° E longitude ?
2 answers
asked by
Swati
471 views
What is the effect of increasing the inclination of the track to the acceleration of the rider in the experiment?
0 answers
asked by
mohammed
452 views
The patient was asked to choose ate items from the menu that are his favorites.
to choose-ate items-that are-his favorites- ate
2 answers
asked by
Victoria
452 views
Final project
Which is currency converter by camera from € to £ for example And not need to be perfect program so simple as my
0 answers
asked by
Abdulaziz
452 views
1.work 2. skin 3. sand 4. rain 5. postcard 6. traffic 7. accident 8. air 9. cloud 10. information 11. happiness 12. news 13
3 answers
asked by
deyond ng
423 views
The motion of the truck is described by the equation V = 50t – 5t^2.Find: a.Value from t = 1.5 s to t = 5.0 s. b.Vinst at t =
1 answer
asked by
mohammed
415 views
Calculate the mass of caco3 required to liberate 10liters of co2 at stp?
0 answers
asked by
ARYA K
415 views
Need help trying to solve this question.
Using the variables x and y determine the two equations you would need to solve for the
1 answer
asked by
Ebony
409 views
i am given some money for christmas i spend 3 fifths of it i have £ 80 pound left how much money was i given to start with
1 answer
asked by
help
408 views
Four pens cost $2 less than two markers. Three pens and nine markers cost $54. Find the cost of each.
2 answers
asked by
Susie
402 views
More states have, “… embraced laws requiring waiting periods for abortion…” however this is unfair to the women going
3 answers
asked by
Anonymous
391 views
How many grams of NaCN are needed to react with 50.0 g of MgCl2?
1 answer
asked by
Al
390 views
(4xy+2xy)to the power of two
1 answer
asked by
thaby
370 views
From the graph made, compute for the instantaneous acceleration of the rider for each inclination at any chosen time by
1 answer
asked by
mohammed
367 views
describe the shape of the graph made and discuss its significance.
0 answers
asked by
mohammed
358 views
Find mean of first ten prime numbers.
1 answer
asked by
Tarandeep
354 views
if x is an even number.
find the next two consecutive even numbers in term of x
1 answer
asked by
dona
343 views
-1/8(x+35)= -7
How do I solve this??? I am confused
1 answer
asked by
Anonymous
334 views
Simplify:
(x/50)+(x/25)+(3x/50)+(2x/25)+...+2x =
1 answer
asked by
Dian
321 views
If A= X^2+2x+1, B=x=1
Find: A+B=
1 answer
asked by
Lulu
303 views
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