Friday

April 29, 2016
Total # Posts: 113

**Health**

what might happen if a person with bad asthma was trapped in a room with 15 ladies who all had lots of perfume on.
*April 4, 2016*

**chemistry **

What mass of K2HPO4 must be added to 1 L of .1 M K3PO4 to prepare a buffer solution with a pH of 10.8? Answer in units of grams.
*March 9, 2016*

**chemistry **

The ionization constant of HA is 1 × 10−6 . What must be the ratio of [A−] to [HA] for the preparation of a buffer solution with a pH of 6.49?
*March 7, 2016*

**Chemistry**

A buffer is prepared by mixing 20 mL of .10 HOCl with 20 mL of .05 M NaOCl, and measure the pH to be 7.15. Using this information calculate the Ka for HOCl
*March 7, 2016*

**Physical Education**

It was C
*March 3, 2016*

**Language arts**

I just need it without the drama part.
*March 1, 2016*

**chemistry**

Calculate the percent ionization of a .31 molar solution of acetic acid. The ionization constant of acetic acid is 1.8 x 10^-5
*March 1, 2016*

**Chemistry**

If 258 mL of 2 molar HCl solution is added to 342 mL of 4.3 molar Ba(OH)2 solution, what will be the molarity of BaCl2 in the resulting solution? Answer in units of M.
*March 1, 2016*

**Chemistry**

A 69 mL sample of a solution of sulfuric acid is neutralized by 41 mL of a .161 M sodium hydroxide solution. Calculate the molarity of the sulfuric acid solution. Answer in units of mol/L.
*March 1, 2016*

**Calculus**

for the trapezoidal sum, you cannot factor out the width as 4, because the intervals are not even. you have to do the width of each individual interval. The actual answer is around 23.83
*February 23, 2016*

**social studies**

Thanks Reed for trying to be so smart but does not help one bit😐
*February 22, 2016*

**Grade 12 Chem**

For each of the following, write the chemical equation with appropriate equilibrium arrows, as shown in Table 5. Table 5: No reaction: <1% ↔ Reactants favoured: <50%↔ Products favoured: >50%↔ Quantitative:>99%↔ or ➡️ a) The ...
*January 9, 2016*

**Grade 12 Chem**

For each of the following, write the chemical equation with appropriate equilibrium arrows, as shown in Table 5. Table 5: No reaction: <1% ↔ Reactants favoured: <50%↔ Products favoured: >50%↔ Quantitative:>99%↔ or ➡️ a) The ...
*January 9, 2016*

**Chemistry 12**

"Add the ionic equations for part one and three, compare the results with the ionic equation for part two" Part 1: NaOH(s) = Na+(aq) +OH-(aq) + heat Part 2: NaOH(s) + H+(aq) +Cl-(aq) = Na+(aq) + Cl-(aq) + H2O(l) + heat Part 3: Na+(aq) + OH-(aq) + H+(aq) + Cl-(aq) = ...
*December 9, 2015*

**Math**

Hey everyone could you help me with this? Ben has 2/3 of a large candy bar. He is going to split it into 4 parts for his friends. How much of the candy bar does each friend get?
*December 7, 2015*

**Math **

The quotient in simplest form. 6 divided by 2 over 3.
*December 7, 2015*

**Health ( ANSWER ASAP)**

That's funny connexus people😁
*November 30, 2015*

**Health ( ANSWER ASAP)**

Number two is fiber not acid. By the way is anyone from connexus?
*November 30, 2015*

**English **

Hi what is a counter agrument? Thanks
*November 8, 2015*

**Math -real numbers **

Which statement is false? A) the number zero is a rational number. B)some irrational numbers are also rational numbers. C)Every irrational number is a real number. D) every integer is a rational number These questions get me every time:( I think it is D but I'm not sure.
*October 20, 2015*

**Gr 12 chemistry **

Given the equation: 6C6H12O6+O2= 6CO2+ 6H2O How many moles of carbon dioxide will be formed upon the complete reaction of 24.1 grams of glucose with excess oxygen gas
*September 22, 2015*

**Gr 12 chemistry **

Based on this reaction: H2(g) + I2(g)= 2HI(g) How many moles of iodine are necessary for form 0.530 moles of hydrogen iodine
*September 22, 2015*

**Chemistry **

How does a pH of a buffer solution go outside of its range?
*April 28, 2015*

**Biology **

What are two roles restriction enzymes play in transformation
*April 8, 2015*

**Microbiology**

What are the problems with harvesting gene products from bacteria? Alternatives? All I can think of is the accidental development of a suprabug or suprainfection/disease
*April 8, 2015*

**Biology **

Why do males have a higher blood pressure than females
*February 9, 2015*

**SCIENCe**

I really need to know the answer like yesterday so will someone help????
*January 8, 2015*

**Stats**

The Internal Revenue Service (IRS) provides a toll-free help line for taxpayers to call in and get answers to questions as they prepare their tax returns. In recent years, the IRS has been inundated with taxpayer calls and has redesigned its phone service as well as posted ...
*December 7, 2014*

**Math**

if a flagpole is 20ft tall and casts a shadow of 27ft how tall is a building that casts a shadow of 185ft? write a proportion and solve. round your answer to the nearest foot.
*October 30, 2014*

**Health**

deez nuts Don't be calling others stupid when you don't even know which "your, you're" to use.
*October 29, 2014*

**Math**

without doing the computation, explain why or why not 19.7 is a reasonable value for the expression 122.14 divided by 6.2
*October 14, 2014*

**Math**

Can you think of situations in which it might be preferable to compute with decimals rather than fractions or to compute with fractions rather than decimals, give examples of each situation and tell why you think that number form is preferable
*October 14, 2014*

**science**

what is the way that an organism either builds up or breaks down materials in the body for energy
*September 25, 2014*

**chemistry**

What would be the change in enthalpy if you detonated 10 grams of NI3?
*June 6, 2014*

**Economics**

pass legislation for emergency funding
*May 27, 2014*

**science**

The answers are B. A. C. C. good luck some of the ones up there are wrong got 2 out of 4 hope these help
*April 24, 2014*

**math**

Is Taylor right???????????
*February 3, 2014*

**math --- 2 questions!**

Danny is right!!! TYSM I GOT A 100%
*January 30, 2014*

**science**

Thanks connexus student love KCA.
*January 21, 2014*

**Science**

How come theres never a answer this helps a big 0 thanks.
*January 6, 2014*

**science(please check answers)**

Thanks 100 percent is anyone from connexus academy??
*December 20, 2013*

**science plz help right now!!!!**

Thanks guys I got 100 percent!! Are you guys from connexus?
*December 16, 2013*

**science**

What which? one in a minute I will put the answer.
*December 12, 2013*

**Check my Science questions?**

This is not the whole quiz😐 And everyone is pretty much connexus GO KCA!
*December 11, 2013*

**science**

Question 1 false, Question 2 true good luck guys and gals! GO KCA!
*December 11, 2013*

**science**

What are the consequences of using fossil fuel as a energy source??
*December 6, 2013*

**Science help **

1. B 2. A 3. D 4. TRUE 5. D
*December 4, 2013*

**Science**

Love this sight got 100 percent thanks everyone! And connexus rules and no ones cheating.😊
*November 6, 2013*

**Science help! URGENT. Check answers**

Salted caramel your so wrong.
*October 15, 2013*

**Science- Radioactive Dating**

1.B 2.D 3.D 4.C 4/4 (100%)
*October 10, 2013*

**Rocks**

Answer number one is B
*October 9, 2013*

**Science**

4/4 (100%)
*October 8, 2013*

**statistics**

A study was conducted in order to estimate μ, the mean number of weekly hours that U.S. adults use computers at home. Suppose a random sample of 81 U.S. adults gives a mean weekly computer usage time of 8.5 hours and that from prior studies, the population standard ...
*June 26, 2013*

**statistics**

A study was conducted in order to estimate μ, the mean number of weekly hours that U.S. adults use computers at home. Suppose a random sample of 81 U.S. adults gives a mean weekly computer usage time of 8.5 hours and that from prior studies, the population standard ...
*June 26, 2013*

**statistics**

A study was conducted in order to estimate μ, the mean number of weekly hours that U.S. adults use computers at home. Suppose a random sample of 81 U.S. adults gives a mean weekly computer usage time of 8.5 hours and that from prior studies, the population standard ...
*June 26, 2013*

**statistics**

A study was conducted in order to estimate μ, the mean number of weekly hours that U.S. adults use computers at home. Suppose a random sample of 81 U.S. adults gives a mean weekly computer usage time of 8.5 hours and that from prior studies, the population standard ...
*June 26, 2013*

**Math**

Ericand frank want to equally share 1 and 1/3 feet of rope. What lenght of rope should each friend get?
*April 1, 2013*

**fractions**

Not sure how to understand
*March 6, 2013*

**Math**

Show that each sequence is geometric. Find the common ratio and write out the first four terms. (Can you explain how to do it too?) > {(5/2)^n) > {(3n/9)} > {3^2n}
*January 27, 2013*

**physics**

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car?
*December 9, 2012*

**physics**

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car?
*December 9, 2012*

**physics**

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car?
*December 9, 2012*

**Math**

how to write 0.09 3/40.5 1/3 2/5
*December 7, 2012*

**Physics**

Suppose a meteor of mass 3.30 1013 kg is moving at 32.0 km/s relative to the center of the Earth and strikes the Earth. Suppose the meteor creates the maximum possible decrease in the angular speed of the Earth by moving toward the west and striking a point on the equator ...
*November 29, 2012*

**Physics**

The density of the Earth, at any distance r from its center, is approximately (14.2-11.6(r/R)*10^3) Kg/m^3, where R is the radius of the Earth. Show that this density leads to a moment of inertia I = 0.330MR2 about an axis through the center, where M is the mass of the Earth. ...
*November 18, 2012*

**Chemistry**

A monoprotic acid with a Ka of 2.92 × 10-5 has a partition coefficient of 4.2 (favoring octanol) when distributed between water and octanol. Find the formal concentration of the acid in each phase when 100 mL of 0.10 M aqueous acid is extracted with 31 mL of octanol at (...
*November 15, 2012*

**math**

I am a number between 50 and 60. One of my factors is 28. What number am I?
*October 23, 2012*

**Math**

How would you derive n(E)= E^2/((e^E/T) - 1) a) Evaluate dn/dE at fixed T. Leave answer in symbolic forms of E and T. b) dn/dT at fixed E.
*October 21, 2012*

**general science**

a 210 Newton force is applied to a piston, the force produced is 320 kPa of pressure, what's the area of the piston?
*October 4, 2012*

**Physics/Math**

Oh! I understand now, thanks so much to both :)
*October 4, 2012*

**Physics/Math**

Sorry, how did you get that? :(
*October 4, 2012*

**Physics/Math**

Two cars, 127 miles apart, start moving towards each other at the same time. One is moving 3 times as fast as the other. If they meet 1.5 hrs later, find the average speed of the slower car in miles per hour?
*October 4, 2012*

**4th Grade Math**

My number is even. My number has 3 as a factor. My number also has 5 as a factor
*September 19, 2012*

**Physics**

Two objects are connected by a light string that passes over a frictionless pulley. The incline is frictionless, m1 = 2.00 kg, m2 = 4.00 kg, and theta= 60.0°. (b) Find the accelerations of the objects. Magnitude (c) Find the tension in the string. N (d) Find the speed of ...
*September 19, 2012*

**Physics**

A small bug is nestled between a 1-kg block and a 2-kg block on a frictionless table. A horizontal force can be applied to either of the blocks as shown in figure Q5.24 (i) In which situation illustrated in the figure (a) or (b), does the bug have a better chance of survival, ...
*September 18, 2012*

**Physics**

In a 100 m linear accelerator, an electron is accelerated to 1.40% the speed of light in 35.0 m before it coasts 65.0 m to a target. (b) How long does the total flight take?
*September 6, 2012*

**math**

How do I draw a reflex angle ZYX so that it measures 255 degrees?
*March 5, 2012*

**Ff**

The coefficient of static friction between the m = 3.50 kg crate and the 35.0° incline of Figure P4.41 is 0.340. What minimum force must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline? Your response differs from the ...
*March 1, 2012*

**Physics **

Assume that the three blocks in Figure P4.27 move on a frictionless surface and that a F = 46 N force acts as shown on the m = 2.5 kg block. Figure P4.27. (a) Determine the acceleration given this system. m/s2 (to the right) (b) Determine the tension in the cord connecting m ...
*February 23, 2012*

**math**

173.32. me and my dad did it at the same time.
*January 19, 2012*

**Math problem**

1.You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 years. a.What ...
*November 20, 2011*

**math problem**

Can you determine which number corresponds to the situation THe record high temperature for a date is 95.6 degree above zero What is the corresponding number for this sentence.
*November 20, 2011*

**math problem**

Please solve using the addition principle please do check x + 3/13 = 5/13
*November 20, 2011*

**Math problem**

evaluate a+b/10 for a = 68 and b =12 a+b/10 =
*November 20, 2011*

**Math problem**

The formula b=29a is used to estimate the minimum furnance output B in btus for a modern house with the amount of square feet of flooring A 1. determine the minimum furnance output for a 2300 ft2 modern house 2. solve the formula A
*November 20, 2011*

**Physical Science**

An aluminum nucleus has 13 protons and 14 neutrons. A copper nucleus has 29 protons and 34 neutrons. What is the force of repulsion between an aluminum nucleus and a copper nucleus when they are separated by 1.2 nm?
*March 26, 2011*

**math**

First, a square gives the greatest area, but the length and width are whole numbers. 4 doesn't go equally into 46, but since it does in 48, the results should be a close to 12 X 12 as possible, so the size is 12 meters by 11 meters 2l + 2w =p 2(12) + 2(11) = p 24 + 22 = 26
*March 17, 2011*

**math**

I need help on finding sales tax and discount
*February 15, 2011*

**College Physics**

If the river is flowing downstream at 1.5 mi/h and he can swim 2.0 mi/h then the angle he would need to swim at in order to swim straight across would be arctan(1.5/2) which is equal to 36.87 degrees. This is because you can form a right triangle with 1.5 being opposite the ...
*February 8, 2011*

**math**

6/18 = 1/3
*January 4, 2011*

**geometry**

How do I figure out the dimensions of each room in a 1200 square foot house with a closet and bathroom the same size, a big family room, and two circular bedrooms?
*December 13, 2010*

**algebra**

Solve the proportion x / 12 = 91 /84
*September 16, 2010*

**Math- Geometry**

Can anyone help me answer this question... Find the area of a right isoscles triangle if the altitude on the hypotenuse is 4 cm.
*September 5, 2010*

**Math**

240 m of fencing material is going to be used to enclose three sides of a rectangular lot. What should the dimensions of the lot be so that the enclosed area is as large as possible? (I'm supposed to solve this using a quadratic equations but I don't know how...)
*August 22, 2010*

**Algebra**

don't get it
*June 1, 2010*

**Algebra**

A train leaves a city heading west and travels at 50 miles per hour. Three hours later, a second train leaves from the same place and travels in the same direction at 65 miles per hour. How long will it take for the second train to overtake the first train.
*June 1, 2010*

**Algebra**

2.5 hours
*June 1, 2010*

**Algebra**

Two trains leave Raleigh at the same time, one traveling north, the other south. The first train travels at 50 miles per hour and second at 60 miles per hour. In how many hours will the trains be 275 miles apart?
*June 1, 2010*

**Algebra**

A ship travels from New York to southampton, england at 33 miles per hour. A plane traveling 605 miles per hour takes 104 hours less time to make the same trip. How far apart are the two cities?
*June 1, 2010*