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Questions Asked on July 23, 2020

Al(s) + H2SO4(aq) → Al2(SO4)3(aq) + H2(g)What is the coefficient of H2 in the balanced equation, obtained by using oxidation
1. 1 answer
2. asked by Anna
3. 3,738 views
How many litres of water will a cylindrical pipe hold if it is 1m long and 7cm in diameter
1. 2 answers
2. asked by Mariam
3. 2,736 views
MnO4– + SO32– + H2O → MnO2 + SO42– + OH–If the reaction occurs in an acidic solution where water and H+ ions are added
1. 1 answer
2. asked by Jewel
3. 1,861 views
Which most accurately describes the governmental policies of Louis XIV of France?A) to institute an isolationist policy of
1. 1 answer
2. asked by Junior Boi
3. 1,848 views
Write an equation that expresses the following relationship. P varies directly with the cube of D and inversely with U. In your
1. 1 answer
2. asked by brian
3. 1,751 views
Fe(OH)3 + OCl– → FeO42– + Cl–When this reaction is balanced, how many electrons are transferred in each half-reaction
1. 1 answer
2. asked by Jewel
3. 1,695 views
A nickel-cadmium electrochemical cell functions according to the following reaction:Cd+ Ni2+ → Cu2+ + Ni What is the standard
1. 1 answer
2. asked by Anna
3. 1,569 views
Ba2+(aq) + Fe(s) → Ba(s) + Fe3+(aq)What are the balanced half-reactions for this equation?
1. 1 answer
2. asked by Bailey
3. 1,526 views
A spring of natural length 30cm is stretched to 35cm by a load of 15N. Calculate the extension produced,the elastic constant of
1. 3 answers
2. asked by Anonymous
3. 1,446 views
A can of milk is 3/4 full. When 30 litres of milk sold, the can still had 2/5 th full. Find the capacity of the can
1. 1 answer
2. asked by Mehak
3. 1,406 views
What was the code name for the government program in which an atomic bomb was designed and constructed?Project Mogul Project
1. 3 answers
2. asked by Anonymous
3. 1,190 views
what was the main concern with john dickenson's first draft of the articles of confederation?too little power for the courts a
1. 2 answers
2. asked by kathy
3. 1,150 views
For a given system, the influent substrate concentration is 470 g/m3 and the concentration of biomass in the aeration tank is
1. 2 answers
2. asked by Linda
3. 978 views
Which of the following situations is a result of resonance?a. Hydro wires "hum" as a mild breeze blows over them. b. A child
1. 1 answer
2. asked by TheShamGod
3. 969 views
The lenght of a board is twice its width of its perimeter is 3.60m,what is the width in cm
1. 3 answers
2. asked by Anonymous
3. 909 views
Find the surface area of the portion of the paraboloid z = 4 - 𝑥^2 -𝑦^2 that lies above the xy- plane?
1. 1 answer
2. asked by C
3. 856 views
A block and tackle having a velocity ratio of 5 is used to raise a load of 400N through a distance of 10m. If the workdone
1. 2 answers
2. asked by Abraham
3. 851 views
If the distance from the center of a merry-go-round to the edge is 1.2m, what centripetal acceleration does a passenger
1. 1 answer
2. asked by bruh
3. 844 views
The Colossus ferris wheel at Six Flags St. Louis has a diameter of 50.3 m. A rider located on the circumference of the ferris
1. 4 answers
2. asked by anonymous
3. 818 views
An arc of length 28cm subtend an angle of 24° at the center of the circle. In the same circle what does an arc of 35cm subtend
1. 3 answers
2. asked by Richard
3. 738 views
If an object is dropped from a height of 126 feet, the function h(t)=-16t^2+126 gives the height of the object after t seconds.
1. 2 answers
2. asked by woopie
3. 733 views
Information about a play took up 1/3 of the pages in the program. Information about the actors took up 1/4 of the remaining
1. 2 answers
2. asked by springy
3. 715 views
If the rate law of a chemical reaction is k[NH4+]2[NO2–], what is the order of the reaction?1. The order of the reaction
1. 1 answer
2. asked by Ben
3. 704 views
On a good night, the front row of the Twisted Sister concert would surely result in a 120 dB sound level. A Walkman produces 100
1. 1 answer
2. asked by TheShamGod
3. 634 views
what impact did technology have on World War 1?A: Guerrilla warfare became more prevalent with advances in surveillance
1. 1 answer
2. asked by hehe
3. 609 views
online class and I don't know what to do so I posts. Any help is great.Thank youConvert the integral [0,1]∫ [0,√(1-x^2
1. 3 answers
2. asked by C
3. 606 views
A car travelled from town P to town Q on a bearing of 56 for 18km it then travel to another town R on a bearing if 200 if R is
1. 2 answers
2. asked by Abdulkareem
3. 565 views
a certain square 18 feet on a side has the same area as a rectangle. If one side of the rectangle is 9 feet, what is the number
1. 1 answer
2. asked by yareyaredaze
3. 565 views
Changing the temperature of an electrochemical cell will affect which two variables?A: the reactivity of the metal electrode and
1. 1 answer
2. asked by Andy
3. 543 views
why can a criket ball do more work than a golf ball moving at the same speed
1. 1 answer
2. asked by nargarate
3. 530 views
In an exam,90 students passed in science and 60 students failed in science and 80 failed in maths and 30 failed in both then
1. 1 answer
2. asked by Nirjal
3. 526 views
A student calculates an optimal tilt angle of 45 degrees, for a given location. For this calculation, the student only
1. 1 answer
2. asked by Dip
3. 500 views
What is the correctly balanced reaction for a Li-Cr voltaic cell?
1. 1 answer
2. asked by Andy
3. 494 views
A cylinder water tank is 70cm in diameter. To being with, it is fullof water. A leak starts in the bottom so that it loses
1. 1 answer
2. asked by Mariam
3. 476 views
Find the curl of the vector field F(x,y,z) = (z + 𝑥^2 y) i + (xyz) j + (x + 𝑦^2 𝑧) 𝒌 at the point P(1,1,1)?
1. 1 answer
2. asked by C
3. 465 views
Use polar coordinates to evaluate the integral [0,2]∫ [0,x√3]∫1/√(𝑥^2+𝑦^2)dydx
1. 3 answers
2. asked by C
3. 463 views
A PV system is to be installed on a flat roof in Naples (Italy). The area of the roof that can be utilized for installing the PV
1. 0 answers
2. asked by Adity
3. 454 views
We have p,q,r,s,t and u asnonnegative real numbers.(a) Show that (p^2 + q^2)^2 (r^4 + s^4)(t^4 + u^4) ≥ (prt + qsu)^4. (b)
1. 3 answers
2. asked by anon
3. 435 views
How do you read ebible.org?1. e bible dot o,r,g 2. e bible dot [ɔ́:rɡ] 3. e,b,i,b,l,e, dot o,r,g 4. e,b,i,b,l,e dot
1. 1 answer
2. asked by rfvv
3. 430 views
Mary and peter shared 25600frw .mary got 600frw more than peter.how much money did :mary and peter gets?
1. 2 answers
2. asked by Dieudonne
3. 427 views
I have a bed but I never sleep.I have a mouth but I never eat. What am I?
1. 2 answers
2. asked by ammu
3. 425 views
Given the vector field F(x,y,z)=(2xy + ycosx + 𝑥^2) i + ( 𝑥^2 + sinx +𝑦^2) j Determine whether F is conservative. If it
1. 1 answer
2. asked by C
3. 421 views
Given a point x(a,b) a line ,L1 is passing through x and parallel to x-axis what is the equation of L1 another line L2 passing
1. 1 answer
2. asked by sujith
3. 376 views
how to find slope and graphy+3=1/2(x+2)
1. 1 answer
2. asked by robin
3. 371 views
Mention other areas where ICT can be use in timing and control
1. 1 answer
2. asked by Ojuoluwa
3. 370 views
multplcaiton.Divison its like backwards multiplcaiton
1. 1 answer
2. asked by soumil
3. 358 views
Why write
1. 1 answer
2. asked by Courtney
3. 355 views
where does the energy you need to start a car come from?
1. 1 answer
2. asked by nargarate
3. 336 views

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