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 Currently taking a degree in Chemical Engineering
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Questions Answered

Ro_05:
Steve purchased $61.50 worth of supplies for a hiking trip. The supplies included flashlights for $3.50 each, compasses for $1.50 each, and …
 updated 11 months ago
 1 reply
 No Medals Yet
Mathematics

orangekilller:
In an endothermic chemical reaction, the energy lost from the surroundings must be _________ the energy gained by the reaction. A) equal to …
 updated 11 months ago
 2 replies
 No Medals Yet
Mathematics

golfergirl93:
Can someone please explain this to me:
If the system:
CaCO3(s)<>CaO(s)+CO2(g)
…
 updated 11 months ago
 3 replies
 3 Medals
Mathematics

hammytams:
titration calculation help please!!!!
a solution is made up by dissolving 5.00g of impure sodium hydroxide in water and making it up to 1…
 updated 11 months ago
 2 replies
 No Medals Yet
Mathematics

motlatsi:
integrate (x  x³)
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

mattishot:
A circle has a radius with endpoints at (2, 5) and (1, 4). Find the circumference of the circle.
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

M_Vamshi_Kumar_Reddy:
is there any formulae including: FORCE, MOVEMENTUM AND SPEED.
 updated one year ago
 2 replies
 1 Medal
Mathematics

oohnaw:
In parallelogram DEFG, DH = x + 3, HF = 3y, GH = 3x – 3, and HE = 5y + 4. Find the values of x and y.
…
 updated one year ago
 31 replies
 1 Medal
Mathematics

grandma111:
In Gullivers travels by johnathan swift, gulliver went to the kingdom of Lilliput where he found that he was 12 time the height of the avera…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

Kamille:
hello, I need to find x
 updated one year ago
 19 replies
 3 Medals
Mathematics

msingh:
what does it mean
3 whole 22 by 3
 updated one year ago
 4 replies
 1 Medal
Mathematics

jnwadiozor:
An industrial manufacturer wants to convert 175 kg of methane into HCN. Calculate the masses of ammonia and molecular oxygen required for th…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

Joachim:
I really need some help with this question:
"Two runners start simultaneously from the same point on a circular 200 m
…
 updated one year ago
 2 replies
 1 Medal
Mathematics

RH:
Could anyone tell me if B is the correct answer?
 updated one year ago
 12 replies
 1 Medal
Mathematics

RH:
Please HELP!
 updated one year ago
 9 replies
 1 Medal
Mathematics

jovis2009:
Given f (x) = cos^2 (x) what is the correct expansion for the first derivative of f (x)
from first principals:
 updated one year ago
 7 replies
 1 Medal
Mathematics

jiehanthelearner:
one kilocalorie is equal to...
…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

joshuaknmcguire:
Where does the graph of the function intersect its asymptote?
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

sarahc:
Explain what each quantum number in a quantum number set tells you about the electron. Compare and contrast the locations and properties of …
 updated one year ago
 8 replies
 2 Medals
Mathematics

anabieber:
Cobalt53 (Co) is unusual because it decays by emitting a proton. What is the resulting element that remains after cobalt has undergone thi…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

FollowTheFez:
How do you convert various units uses prefixes (10^3 etc)??
Physics teacher gave example of 40km/k to m/s with working as 40(10^3m) x 1/…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

KandyseR:
PLEASE HELP.
Consider the following reaction: P2O5(s)+3H2O(l)<>2H3PO4(aq)
a. Write the expression for Kc for the reaction.
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

Vane11:
What ion does an Oxygen atom form? Why? Draw in the electrons for the deionized and ionized Oxygen atom. Find the Nuclide symbol for both.
…
 updated one year ago
 14 replies
 No Medals Yet
Mathematics

barnoldwrl:
Find the value of x. Round to nearest tenth.
 updated one year ago
 14 replies
 1 Medal
Mathematics

anabieber:
What are the coefficients used to balance the following equation, AlCl3 + Ca > CaCl2 + Al.
 updated one year ago
 21 replies
 No Medals Yet
Mathematics

dstanton97:
Which of the following is not an example of a science?
 updated one year ago
 5 replies
 1 Medal
Mathematics

radhaganti:
I've had problems understanding situations involving the mixture of substances that are already in a ratio. I can't work with two or more ra…
 updated one year ago
 13 replies
 2 Medals
Mathematics

zonazoo:
An object is in simple harmonic motion. Find an equation for the motion given that the period is pi/4 and, at time t=o, y=1, y'=0. What is…
 updated one year ago
 22 replies
 1 Medal
Mathematics

kayble:
a 0.0500 g mixture of Cu2O and CuO contains 0.425 g Cu. What is the mass of CuO in the mixture?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

berrypicking:
I need to solve using matrices. x+2y=9 and x+y=1. I know x=7 and y=8.
 updated one year ago
 8 replies
 No Medals Yet
Mathematics
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