Saturday

December 3, 2016
Total # Posts: 41

**Biochemistry **

How would you prepare 250ml of 0.2M sodium phosphate buffer of PH 6.4 if the following chemicals are available :dibasic sodium phosphate,monobasic sodium phosphate and 0.129M solution of NaOH. Assume that the pka1 pka2 pka3 of phosphoric acid are 2.12, 6.8 and 12.3 ...

*November 28, 2016*

**Science**

It's Endothermic because energy in form of light is being given off

*November 28, 2016*

**Math**

Thanks Ms. Sue. Just a quick question, why didn't I have to use the 1/2 base?

*August 19, 2016*

**Math**

I need help, thanks. Find the base of a rectangle where area=40 and height=5

*August 19, 2016*

**Reading **

Which answer choice states the most logical conclusion based on the following statement by Patrick? I’ve never built anything before, much less a house. (1 point) 1. Patrick is not telling the truth. 2. Patrick feels uncertain in new 3. situations. 4.Patrick likes to ...

*April 10, 2016*

**Math**

Where can the medians of a triangle intersect? I. inside the triangle II. on the triangle III. outside the triangle A. I only B. III only C. I or III only D. I, II, or II

*February 25, 2016*

**Chemistry**

What is the unit m^-1? The question I'm working on says "an electron in the hydrogen atom makes a transition from an energy state of principal quantum number nt to n=1. If the photon emitted has a wavelength of 95 nm, what is the value of nt? I was trying to use the ...

*November 17, 2015*

**LA/READING(:**

I need to know who is correct for a friend, He needs to know these answers so he can help his little sister. Please tell me who is correct.

*April 6, 2015*

**math**

"Just look at the graph," the player's agent said. "Phil's hits have doubled since last year. We are looking for a large raise and a long contract." Look at the graph. Graph: i.imgur. com/wY0gqtQ.png How can you redraw this graph so it appears that ...

*September 23, 2014*

**math**

can a forest that is 9/10 acre be divided into an even number of plots hat are 1/7 acre? explain how you know

*September 15, 2014*

**science**

How does x ray radiation affect seed germination? I don't really understand this.

*December 11, 2013*

**math**

The area of a rectangular hallway is120 square feet. If the length and the width are both composite numbers what are the possible dimensions of the hallway?

*August 13, 2013*

**Differential Equations**

Model radioactive decay using the notation t = time (independent variable) r(t) = amount of particular radioactive isotope present at time t (dependent variable) -λ = decay rate (parameter) Note that the minus sign is used so that λ > 0 a) Using this notation, ...

*January 17, 2013*

**Physics**

suppose that two point charges each with a charge of +1 coulomb are seperated by a distance of 1 meter will they attract or repel ? determine the magnitude of the electrical force between them

*January 16, 2013*

**Math**

determine if 12/18 and 24/32 form a proportion. explain your reasoning

*October 16, 2012*

**Chemistry**

Please describe how you would approximately 0.050 M standard solution of NaCl by dissolving the appropriate amount of the salt in a 250 mL volumetric flask. Thank you!

*October 1, 2012*

**chem**

Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.150 M HClO(aq) with 0.150 M KOH(aq). The ionization constant for HClO is 4.0*10^-8 a)before addition of any KOH b)after addition of 25.0 mL of KOH c)after addition of 40.0 mL of KOH d)after ...

*July 8, 2012*

**chemistry**

C25H52 + __38__ O2 -------> __25__ CO2 + __26__ H2O + energy a) Balance the equation. Count atoms below. ___________ carbon ___________ ___________hydrogen___________ ____________oxygen____________

*May 22, 2012*

**Social Studies/Law**

Briefly describe the following court cases or laws/Acts by identifying (for each one): -The constitutional amendment or law involved -The opposing sides of the issue -The relationship of this particular legal issue to the larger issue of diversity: ethnic, cultural, racial, ...

*October 3, 2011*

**Math**

the loan arranger

*April 13, 2011*

**world history**

i have no idea!!!

*April 10, 2011*

**world history**

what are the pros and cons to fur trades in canada in 1600?

*April 10, 2011*

**math**

yep that's great thank you

*December 2, 2010*

**math**

what is the square root of pi?

*December 2, 2010*

**math**

x=8 so one makes 8 and the other makes 16 thanks!

*December 1, 2010*

**math**

sue and bob earned 24.00 sue earned twice as much how much money did each earn?

*December 1, 2010*

**Math**

At 10 am two cars start traveling toward each other from 287 miles apart. They passed each other at 1:30 pm. If the rate of the fster car exceeded the rate of the slower car by 6 miles per hour, find the rat (in mph) of the faster car. A. 38 B. 40 C. 44 D. 48 E. 50 I think it ...

*November 7, 2010*

**Math**

LaQuisha has a sprinkler that waters a circular area. The diameter of the area that the sprinkler waters is 20 feet. The actual sprinkler is located at the origin of the coordinate plane. Write an equation that describes the circumference of the circular area that the ...

*June 9, 2010*

**southwest asia**

Oh it is so B. Easy!

*May 11, 2010*

**5th grade Math**

Thank You! Right now we're learning percent equations. Yeah! (:

*February 15, 2010*

**5th grade Math**

the food budget for each month is $540 which is 15% of their household income What is their household income? How?

*February 15, 2010*

**Economics**

As a manager of a financial planning business you have two financial planners, Phil and Francis. In an hour, Phil can produce either one financial statement or answer 8 phone calls, while Francis can either produce 4 financial statements or answer 10 phone calls. Does either ...

*February 11, 2010*

**science**

How do you draw a dna diagram with 5 sets of nitrogen bases?

*December 14, 2009*

**geography**

How do some people manage to live comfortably in extremely hot or cold climates?

*November 4, 2009*

**math 7th grade**

The square of 2

*September 22, 2008*

**tense**

what about... I want everyone to realize.... this is without "s" right?

*July 31, 2008*

**tense**

I hope everyone realizes his contributions... or is it "recognizes" a better word for it?

*July 31, 2008*

**tense**

What about if the sentence is I hope everyone realize/realizes his contributions. Which one is it?

*July 31, 2008*

**tense**

Everyone realize / Everyone realizes Which is correct?

*July 31, 2008*

**physics**

The .1 is from |B|^2 which is equal to .316^2

*February 10, 2008*

**alphabetical order**

actually- brother with an "'s" is the possesive form of the word brother. so it's actually brother('s) than brothers i thought that was it 'cause that's how the computer alphabetizes things, but i needed to make sure which word comes first in ...

*January 8, 2007*

- Pages:
**1**