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College Chemistry Pascal Convert Pressure

03/27/20

College Chemistry Question

Convert a pressure of 0.0248 mm Hg to the equivalent pressure in Pascals.How in the world do i go about working this problem out? what even is Pascals to begin with ? please if you can... more

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College Chemistry

03/27/20

College Chemistry

What is the pressure in atm exerted by 2.48 moles of a gas in a 250.0 mL container at 58 C?I'm so lost with this problem. can someone give me a step by step to getting the answerthank you

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College Chemistry Charles Law

03/25/20

Chemistry Charles law problem

Calculate the decrease in temperature when 6.00 L at 20.0 °C is compressed to 4.00 LSo i know the answer is 98°c but I'm really confused on how they got their answer. If you could show me... more

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College School Grades

02/10/20

Is your weighted total your actual grade?

Let's say your total grade is 64% but your weighted total is 74%. Is your "real" or "true" grade your weighted total or your total grade?

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College Math Trigonometry

02/07/20

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 75 and 85 degrees during the day and the average daily temperature first... more

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College Math Geometry Algebra

01/28/20

Please Help! Geometry

The following is an incorrect flowchart proving that point L, lying on which is a perpendicular bisector of , is equidistant from points J and K:What is the error in this flowchart?A. An arrow is... more

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College Chemistry Chem College Chem

01/22/20

Fill in the blank for protons, neutrons, electrons, and charge

Fill in the blanks in the chart below with the symbol, mass number, number of protons, neutrons and electrons and charge. When you enter the charges, enter them after the number, i.e. 2+ or... more

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College Math Physics Mechanical Engineering

01/12/20

Equillibrium of forces

Forces X, Y, Z act along the three lines given by the equationsy = 0, z = c; z = 0, x — a; x=0, y — b;prove that pitch of the equivalent wrench isIf the wrench reduces to a single force, shew that... more

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College Math Sat Math Differential Equations

12/05/19

Differential Equations

How do we solve the equation,(D^2 - 2D + 1)y = e^2x(cosh2x + cos2x)

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College Math Homework College Algebra

12/03/19

Working together, two pumps can drain a certain pool in 6 hours. If it takes the older pump 15 hours to drain the pool by itself, how long will it take the newer pump to drain the pool on its own?

College Math Help. Dealing with time. Its a homework problem I'm struggling with.

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College Career Development University Freshman

11/07/19

College Major Crisis

I am a freshman in college completely lost in what I am going to study/major in. My test results point to INFP, and I got a list of careers that were pretty creative and enticing. However, I am at... more

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College Chemistry General Chemistry Chem101

11/05/19

True or False about Electrons

Select true or false for each statement below. True False Electrons move in elliptical orbits around the nucleus of an atom. True False The energy levels of all atoms are... more

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College Calculus Vector Calculus

10/25/19

Vector - Scalar Potential

Vector a = (6xy + z^3)i + (3x^2 - z)j + (3xz^2 - y)k Find the scalar potential Q that vector a =grad Q

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College Chemistry Chemistry General Chemistry

10/22/19

Stoichometry Chemistry Question About Concentration Ions

You react 100.0 mL of 0.100 M lead(II) nitrate with 200.0 mL of 0.250 M potassium iodide. What is the concentration of I− ions left in solution after the reaction is... more

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College College Admissions Grades Admissions

10/21/19

Will bad grades in Semester 1 of Freshman year of high school have an affect on college acceptions?

During freshman year, Semester 1 I received a C, 2 B's, and 5 A's. Semester 2 I had 1 B and the rest A's.Will the C affect my chances in getting to competitive schools for example the Naval Academy... more

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College College Humanities Age Of Enlightenment Rousseau

10/18/19

Can someone please help me?

Does anyone know what topics need to be focused on for these two questions for an essay? I am not sure what to write.. 1.) Consider the contributions of the ‘philosophes’ especially Denis Diderot.... more

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College Algebra Intermediatealgebra Collegealgebra

10/16/19

A motorboat travels 102miles in 3hours going upstream It travels 138 miles going downstream in the same amount of time. What is the rate of the boat in still water and what is the rate of the current?

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College Chemistry Stoichiometry General Chemistry

10/15/19

Help! Chemistry Stoichiometry Question

I figured out how to balance this equation, and I think I figured out the answer to question number 1 for mass (I got 33.2 g of sodium carbonate), but how do you find the ions that are not... more

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College Math Algebra College Math

10/06/19

For all real numbers w and z, such that the product of w and 7 is z, which of the following expressions can represent the sum of w and 7 in terms of z?

For all real numbers and , such that the product of and is , which of the following expressions can represent the sum of and in terms of ?

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College Chemistry General Chemistry College Chemistry

10/03/19

Finding Grams of Complete Reaction

I found the balanced equation : 4C + S8 = 4CS2, but I am confused about how to find the grams.Any help is greatly appreciated!Consider the following unbalanced reaction: C(s) + S8(s) → CS2(l) How... more

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College Algebra College Algebra

09/20/19

College Algebra

Find the equation of the linear function g that has g(9)=8 and that is parallel to k(u)=213u−24.

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College Chemistry College Chemistry Chem 101

09/17/19

Help! Strange Question about empirical formulas and naming

An oxide of iron is found to be 77.75% iron by mass. Determine the empirical formula for this compound and name it.Enter the formula with correct capitalization and subscripts (so "H2O" for H2O).... more

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