11/06/24

Hess' Law & Calorimetry

If 3.000 g of iron metal are reacted in a calorimeter with a heat capacity of 350.0 J/°C, what would be the final temperature of the calorimeter if its initial temperature were 20.0°C?
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11/06/24

Chemical kinetics

A reaction container initially contains 225.0ml of a 0.200M AB solution, which reacts to from the gaseous products. The products are collected over water at 22.0c. Determine the amount of time... more
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11/06/24

A company has $27600 to spend on the development and promotion of a new product.
The company estimates that if x is spent on development and y is spent on promotion, then approximately (x^3/2*y^1/2)/80000 items of new product will be sold. Based on this estimate, how much... more
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11/06/24

The mechanism for the reaction described the equation

Where A is CH3NC, M is any gas molecule A is an energized gas molecule and B is CH3CN. Assuming that A is governed by steady state conditions derive the rate law for the production of CH3CN in... more
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11/06/24

A company has $ 27600 to spend on the development and promotion of a new product. The company estimates that if x is spent on development and y is spent on promotion,

then approximately (x^3/2*y^1/2)/80000 items of new product will be sold. Based on this estimate, how much should the company spend on development so the maximum number of products can be sold?
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11/05/24

six times a number, added to -9, is -33
six times a number, added to -9 is -33
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11/05/24

Normal Distribution
Suppose the heights of a certain type of tree is normally distributed with a mean of 10m and a standard deviation of 2ma) What is the probability a randomly chosen tree is between 9.6m and 10.2m?b)... more
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11/05/24

Central Limit Theorem
The temperature in a freezer is uniformly distributed between -6 and -4 Celsius.a)What is the probability a single temperature reading is above -5.2 Celsiusb)The probability the average of 50... more
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11/05/24

frank surrounded his fruit garden with a rectangular fence that had a perimeter of 12ft write and equation that gives a possible lengths of x and widths y
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11/05/24

Triangle ABC has vertices A(–3, 1) , B(–2, 3) and C(–1, 1) . Complete the vertices of the image of △ABC after a rotation of 90° counterclockwise about C.
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11/05/24

Complete and balance the following redox reaction in acidic solution. Be sure to include the proper phases for all species within the reaction.
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11/05/24

Normal Distribution
Sometimes we can model the binomial distribution using the normal distribution if the number of trials is large enough. Use this to answer the following question: If I flip a coin 300 times, what... more
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11/05/24

What is the difference between a transitive verb and an intransitive verb?
If you do not know that difference, then studying languages would be very difficult.
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11/05/24

What is an equivalent expression to f(x)=4*36^(1+x/2)
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11/05/24

What is the inverse of f(x)=5^4^x
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11/04/24

What is a a Chrisian Hero and what is a tradtional Germanic hero in Beowulf?
Anglo Saxon heroes vs. Christian heroes
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11/04/24

Algebra 2 using the book " the art of problem solving"
I am looking for a math tutor who can work with my daughter, 15 yo, high school freshman, with a book with " the art of problem solving"
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11/04/24

Morris Corporation has the following information on its balance sheets
Morris Corporation has the following information on its balance sheets: Cash = $40, accounts receivable = $30, inventories = $100, net fixed asset = $500, accounts payable = $20, accruals =... more
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11/04/24

Use the Midpoint Rule with the given value of n to approximate the integral. Round the answer to four decimal places. 10 x4 + 5 dx, n = 4 2
Keep getting the wrong answer
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11/04/24

What is the point of Music Theory?
Music theory helps explain why things sound the way they do. It can be as simple as understanding how to spell a chord or as complex as analyzing an entire piece of music. The point is, music... more
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11/04/24

Stats bases on Bayes theorem
People with the disease D have a 90% probability of testing positive on the D-test. If they do not have disease D, they have a 99% probability that they will test negative. We know that 4% of all... more
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11/04/24

stats module 6 homework question 12 urgent help please I am so confused

A company creates wooden furniture to be sold at various retailers. This company claims that only 2.24% of their furniture are defective in some manner. Monica would like to test this claim to see... more
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11/04/24

stats module 6 homework question 16 urgent help please

A survey of randomly selected university students found that 95 of the 109 first-year students and 100 of the 137 second-year students surveyed had purchased used textbooks in the past year.(a)... more
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11/04/24

stats module 6 homework question 15 please help

A computer manufacturing company produces 2 products: desktop computers and laptops. The quality controller wants to see if the proportion of defective desktop computers is higher than the... more
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11/04/24

stats module 6 homework question 17

An SRS of 150 flights of a large airline (call this airline 1) showed that 129 were on time. An SRS of 150 flights of another large airline (call this airline 2) showed that 139 were on time.... more
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