Chuck

Which color light is diffracted at a greater angle, red light or yellow light?

17 years ago

A car gets 21 mi/gal in city driving and 28 mi/gal highway driving. If 18 gal of gas are used in traveling 448 mi, how many miles were driven in the city, how many driven on the highway (assuming that only the given rates of usage were actually used)?

17 years ago

Why does it take longer to cook an egg until it is hard boiled in Denver (altitude 1 mile above sea level) than it does in NYC (near sea level)?

17 years ago

Why is the boiling temperature of C2H5OH 78C and water is 100C at 760 Torr.

17 years ago

An object moves with acceleration given by a = -6t^3 m/s^2. Its initial velocity at t = 0 is 5 m/s. How far will it move before stopping?

17 years ago

determine the approximate molarity of a solution of NaOH prepared by diluting 10ml of 6M NaOH to a volume of 400 ml. using the solution in the first part, 24.5ml of NaOH solution was required to neutralize 26.4ml of a .150M HCl solution. find the molarity...

17 years ago

using kinetics explain: a.the increasing of concentration of reactants increases the rate of reaction. b.the addition of a catalyst increases the rate at which a reaction will take place. c.and increase in temperature increases reaction rate. d.a catalyst...

17 years ago

I have a challenge for you, I have been raking my brain and can not un-scramble the fol: iscolouredcow I think that it is a city somewhere in ASIA Thanks

17 years ago

what is the PH of a solution prepared by adding enough water to 15.00g of NaNO2 to make 275ml of solution

17 years ago

Why do drugs continue to be at the forefront of the crime policy agenda?

16 years ago

I was wondering How do I write a fraction or mixed number for a number such as 900.002 and or numbers such as 289.078 How do I figure out what the fraction form of theese types of numbers are?????

16 years ago

I'm completely stuck on this question.. Trade barriers only work when..? -infant industries receive the protection. -the United States does not have a trade deficit. -American money is kept in the United States. -other countries do not use trade barriers....

16 years ago

What is the rule _,68,94_,120.

15 years ago

A Modified Atwood's machine (the pulley with two mass system used in class on in the Modified Atwood physlet) has a 10.0 N cart on a frictionless, horizontal track with a 10.0 N hanging weight attached to a string connecting the two weights. A second trac...

15 years ago

What is the tone of this article? The trackers mustered at Tex Canyon Road, 20 miles north of the Mexican border, on the afternoon of March 27. There were border-patrol agents, six search-and-rescue units from the Cochise County sheriff's department and d...

15 years ago

How would you set up a system of linear equations to find out how many packages of 8 and 12 you would have to buy to have no left?

14 years ago

How much lead (Pb) is in 3.01 × 10^12 atoms of lead? Answer in units of mol.

14 years ago

What is the pH of a solution prepared by dissolving 6.0 g of HCl in water to make 415 mL of HCl solution?

14 years ago

we are working on a puzzle similar to a magic square. 9 boxes are arranged in an X with the center box being shared by both diagonals. the goal is to use each integer 1-9 one time so that each diagonal sums to 26 and the 4 corners sum to 26. HELP

14 years ago

Solve the following, then check your answer by graphing. x^2+4y^2=25 y^2-x=1

14 years ago

Can someone solve this and explain it please 4^log2 (2log2 5)

14 years ago

I NEED HELP SOLVING THIS PROBLEM ,PLEASE EXPLAIN AND SHOW HOW TO SOLVE the answer ."I HAVE 63 LITERS OF HYDROGEN PEROXIDE, HOW MANY TEST TUBES CAN I FILL IF EACH CONTAINED 7/8 OF A LITER?" PLEASE SHOW ME YOUR WORK. AND THANK YOU IN ADVANCED.

14 years ago

Find the charge on the capacitor in an LRC series at t = 0.02 sec when L = 0.05 h, R = 2 Ohm, C = 0.01 farad. The initial conditions are q(0) = 5 C, i(0) = 0 Ampere. Determine the firt time at which the charge on the capacitor is equal to zero. Also, find...

13 years ago

If the city spends $145,000 on promotional expenditures, what will be the projected attendance at 95% confidence level? how to calculate this using excel?

13 years ago

Part I: Suppose you are developing a statistical database in which information about professional football teams and records are stored. Consider the following 2 sets of data that list football teams and quarterbacks: D = {Jets, Giants, Cowboys, 49’ers, P...

12 years ago

Are there more rational or irrational numbers? I am thinking irrational, because the product of a rational and irrational number is irrational. Is this enough of a reason to prove it?

12 years ago

A store mixes Kenyan coffee worth $11 per kilogram and Turkish coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Find how much of each should be used to make a 348-kilogram mixture. How many kilograms of the Kenyan coffee should...

12 years ago

How many different committees can be formed from 5 professors, and 15 students. If each committee is made up of 2 professors, and 10 students.

12 years ago

Find the rate in mph of someone who drove 12 miles in 45 minutes

12 years ago

How much low fat milk(1%) and whole milk(4%) should be mixed to make 5 gallons of reduced fat milk (2%)?

11 years ago

ANemployee is paid a base salary of $2,150 a month plus an 8% commission on all sales over $7,000 during the month. How much must he sell in one month to earn a total of $3,120 for the month/

10 years ago

when a battery is connected to a 100-Ω resistor, the current is 4.00 A. When the same battery is connected to a 449-Ω resistor, the current is 1.09 A. Find the emf supplied by the battery and the internal resistance of the battery.

10 years ago

Two forest fire towers, A and B, are 20.3 km apart. From tower A, the bearing of tower B is 70 degrees. The ranger in each tower observes a fire and radios the bearing of the fire form the tower. The bearing from tower A is 25 degrees and from tower B is...

10 years ago

In triangle RST, RS=4, RT=7, and ST=5. Determine the measures of the angles to the nearest degree. I solved correctly for T's angle of 34 degrees. Once I try using the sine law to solve for angle S, I keep getting 78 degrees, when it's supposed to be 102...

10 years ago

How much wood could a wood chuck chuck if a wood chuck could chuck wood? I NEED THE ANSWER ASAP!!

9 years ago

A golden bar of metal (5 centimeters by 18 centimeters by 4 centimeters) being transported by armored car is suspected of being fake, made from a less valuable metal with a thin coating of pure gold. The bar is found to have a mass of 2.7 kilograms. if th...

9 years ago

A 15.0 g sample consisting of a mixture of silver nitrate and sodium nitrate is dissolved in water. This aqueous mixture then reacts with aqueous potassium chloride to form 3.97 g of solid. Calculate the percent by mass of silver nitrate in the first mixt...

9 years ago

Coming off a 17 " 180 degree vertical bucket elevator, I need a downward slope angle of 65 degrees. How long would my pipe need to be to move right 1.5 feet? what is the height from ground, at the end of that pipe (ie. 14.8 feet")?

7 years ago

Sound A is 32dB. Sound B is 54 dB. How many times more intense is Sound B than Sound A?

7 years ago

Find the limit. (If the limit is infinite, enter '∞' or '-∞', as appropriate. If the limit does not otherwise exist, enter DNE.) lim t-inf (sqrt(t)+t^2)/(9t-t^2)

4 years ago

suppose f(pi/3)=4 and f'(pi/3)=(-3). Let g(x) = f(x) sin(x) and h(x) = cos(x)/f(x) Find the following. (a) g'(pi/3)= (b) h'(pi/3)=

4 years ago

c. the increase in temperature, increases the speed and energy of the collisions, causing the reaction to occur faster. a. by increasing the concentration, there are more particles, which means they will collide more frequently causing a faster reaction.

17 years ago

Thank you this helped a lot.

17 years ago

thank you so much!

17 years ago

I think I read this as 289 and 78 thousandths? So it would be wrote as 289 78/1000 ??

16 years ago

I think I get it now!! Thank you so much!!!!! wish we had teachers like you here in my school.

16 years ago

You can still get a pH over 14, those are not the limits. you can also have negative numbers. i can't really explain how or why, i just know that its possible. but i was replying to Joe, because 14 is not the cut off point.

14 years ago

thanks immensely. got it

10 years ago

Wow... noone ever answered... sorry man..

10 years ago

make it right. #2 doesn't make clear sense since it isn't referring to anything. The correct way to say #2 would be if a person was having a conversation with someone. Ex: Sam: "Hey, Bill. How long far away is the market?" Bill: "About 40 minutes." Sam: "...

10 years ago

Senatorial Courtesy is a custom whereby presidential appointments are confirmed only if there is no objection to them by the senators from the appointee's state, especially from the senior senator of the president's party from that state. From your choice...

8 years ago

-32

8 years ago

43 degreeeeeeeeeeeeees

5 years ago