Homework answers and tutorials

Waiting for answer An intramuscular medication is given at 5.00mg/kg of body we...
The patient weighs ##"187 lb"##. Given/Known Medication mass/body mass: ##5.00"mg/kg"## Dosage: ##425"mg"## ##"1 kg=2.2 lb"## ##425cancel "mg"xx(1"kg")/(5.00cancel "mg")="85 kg"#...
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Waiting for answer How did James Chadwick contribute to the atomic theory?
James Chadwick played a vital role in the atomic theory, as he discovered the Neutron in atoms. Neutrons are located in the center of an atom, in the nucleus along with the protons. They have neither a positive nor negative charge, but contribute the the atomic weight with the same effect as a pro...
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Waiting for answer How do you convert 0.667 into a percent and fraction?
##66.7%## ##667/1000## It is easier to do it the other way round in that you derive the fraction first. For decimals you have in order of unit size: ##"decimal point "1/10+1/100+...
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Waiting for answer How do you find the derivative of ##(cos x)## using the limi...
See the explanation section below. We'll need the following facts: From trigonometry: ##cos(A+B) = cosAcosBsinAsinB## Fundamental trigonometric limits: ##lim_(theta rarr0) sin t...
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Waiting for answer How do you find the derivative of ##ln(sin^2x)##?
## (2 cos x) / sin x## Use the . You can break down your function into the logarithm, the square and the sinus function like follows: ##f(u) = ln(u)## ##u(v) = v^2(x)## ##v(x) =...
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Waiting for answer How do you find the square root of 63?
The root of a negative number results in an imaginary number, identified as i. Remember that i = ##sqrt(1)## So, ##sqrt(63)## = ##sqrt(63*(1))## = ##sqrt(63)## ##sqrt(1)## = ##sqrt(63)## i From here we should try to simplify the 63 by finding perfect squares. ##sqrt(63)## = ##sqrt(9*7)## =#...
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Waiting for answer The area of Arizona is 114,006 square miles. What is the exp...
(see below) This is probably intended to be a question to determine if the expression "expanded form" has been understood. ##114,006 =## ##color(white)("XXXx")100,000## ##color(whi...
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Waiting for answer Which definition for acids and bases is the right one: Lewis...
Both definitions are correct. Neither definition is wrong. The definitions are related, but they refer to different phenomena. A BrĂ¸nsted acid is a proton donor. A BrĂ¸nsted base is a proton acceptor. A Lewis acid is an electron pair acceptor. A Lewis base is an electron pair donor. If you want t...
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Waiting for answer How do you use similar triangles to set up proportions?
You can set up proportions with similar triangles by taking advantage of their side ratios. By definition, similar triangles have the same angle measures for their corresponding angles, and therefore the corresponding sides have a ratio to them. For examplle consider the triangles below: It is...
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Waiting for answer How do you find the area of circle ##x^2 + y^2 = 5,625##?
Cartesian equation of a circle : ##x^2+y^2=r^2## Therefore ##r^2 = 5625## units.Area of a circle : ##A=\pi.r^2=5625\pi## units No explanation required ...
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Waiting for answer What part of a barred spiral galaxy has the highest density...
The central bulge. The highest concentration of stars in ANY spiral galaxy, including barred spirals, is in the center. Near the outside and even in the arms/bar, stars and nebulae a...
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Waiting for answer A Proton and an Alpha particle are accelerated by same poten...
The deflections of both the proton and the alpha particle are same. charge on the proton = e; the charge on the alpha particle = 2e The mass of the proton = m; We can assume the...
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Waiting for answer What is botany?
It's the study of plants The scientific study of plants, including their physiology, structure, genetics, ecology, distribution, classification, and economic importance. The plant li...
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Waiting for answer How do you write the formula of periodic acid?
##HIO_4## Iodine in periodic acid achieves its maximum oxidation state, ##I(VII+)##. Periodic acid, like ##HClO_4##, is an exceptionally strong mineral acid.
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Waiting for answer Whats the difference between converse of alternate interior...
Consider two statements: (A) Two lines that are cut by a transversal are parallel (B) Alternate interior angle formed by these lines are congruent They are equivalent. See below for explanation....
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Waiting for answer Give the kingdom, phylum, class and order of the normal hous...
Hello Emily, Usually, the region where i live is a habitat for "Mongrel" kind of dogs. (India) The answer for your Question is: Kingdom : Animalia Phylum : Chordata Class: Mammalia Order: Carnivora Family: Canidae Genus: Canis
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Waiting for answer How does rough endoplasmic reticulum differ from smooth endo...
The two differ in their function, and one is smooth and the other is rough. The (SER) is smooth, and the (RER) is rough. Both the SER and RER are large continuous sheets of membra...
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Waiting for answer What amino acid sequence would be produced from the mRNA seq...
argenine tyrosine serine http://www.ps19.org/Crea05MicroLife/index.html
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Waiting for answer Why the Newton's second law of motion important?
of Motion (##\vec F_\text{Net} =m\vec a##) is very important because it shows the relationship between forces and motion. It allows you to calculate the (and therefore velocity and position) of an object with known forces. This is incredibly valuable for scientists, engineers, inventors, etc....
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Waiting for answer What does GMO stand for?
Genetically Modified Organism When an organism has been genetically modified using genetic engineering. They are used for foods (genetically modifying tomatoes to grow bigger, for ex...
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