regina

This page lists questions and answers that were posted by visitors named regina.

Questions

The following questions were asked by visitors named regina.

does anyone know the fundamentals of measure units?? thank you

needd a answers to a lesson to remember

can you come up with any symbols in "to kill a mockingbird"? I already have the mockingbird as a symbol.. any other? thank you

find the x-intercept of the graph of the equation: 1. 4x-5y=8 2. 3y-10x=4 answers that I got: 1. x=2 2. -2/5 ___________________________________ find the y-intercept of the graph of the equation: 3. 7-12x=3y 4. 4y+9=5x my answer: 3. 2 1/3 4. 2 1/4 can you...

in 1992, a software company had a profit of $30,000,000. in 1998, the company had a profit of $210,000,000. find the average rate of change of the company's proft in dollars per year. I have no idea how to this. please explain step-by-step.. thnxx

write the equation in slope-intercept form. then graph the equation. 1. 6x-4y=3 2. 2y+5x=10 can you please help me with at least one of them? thanks! also, where it says 'then graph the equation', I know we can't graph here, so you can ignore that. but if...

find the value of y so that the line passing through the two points has the given slope. 1. (6,y), (3,3). m=2/3 2. (8,y), (2,-3). m=1/2 I know the formula: y2-y1/m2-m1 and I've been trying to do this for a long time now, but I still don't get it. please h...

find the value of y so that the line passing through the two points has the given slope. (8.y), (2,-3), m=1/2

Mr. Miller says, Plan on a quarter pound of hamburger per person." There are 21 people in the class, including Mr. Miller and us." How much money should be collected for the cost of each burger in each student? if Hamburger Meat: $1.49 per pound ( limit:...

If you have a 29.6 mass percent KCl in benzene,what is the new boiling point?

A compound is composed of 19.998% carbon, 3.331% hydrogen, 23.320% nitrogen, and 53.302% Oxygen. Its molar ass is 120.07 gram/mole. What are the empirical and molecular formulas?

The new vapor pressure of a solution of 3.25g of an unknown compound in 22.35g of H2O is 114.9mmHg at 55 degrees Celcius. What is the molar mass of the unknown compound?

How many photons of frequency 2.7*10^14 Hertz would be needed to light a 60 Watt light bulb for 1hr?

Given the following reaction: Pd(NO3)2+CaSO4-->PdSO4+Ca(NO3)2 If you started with 225.6ml of 6.32M CaSO4 and the percent yield of this reaction was ol 78.2%, what is the actual yield of grams mod of PdSO4?

Given the following chemical reaction: Zn+HCl-->ZnCl2+H2(g) If you measured the total volume of collected gas over water at 20 degrees celcius t be 428ml at a total pressure of 845 torr, how many milliliters of 2.6M HCl would be required to produce the co...

If you hit the surface of Copper with a photon of energy and find that the ejected electron has a wavelengt of .8nm what is the frequency of the incoming photon?

Using the ionization energy chart, how much energy will it take to remove only 1 electron on the surface of Nickel? If you hit the surface of Nickel with a photo that has a wavelength of 90nm, what will the wavelength of that ejected electron be?

If you collect hydrogen gas over water at a temperature of 45 degrees celcius, what is the volume of jst te hydrogen if the pressure of hydrogen is 1.23 atm and the grams of hydrogen was 2.6? What is the volume of the water?

How many grams of Urea would you have to dissolve in 500ml of H2O in order for the mass percent of H2O to be 88.8%? What is the mole fraction of Urea? What are the new boiling and freezing points?

Dissolve 1.5g of an unknown salt into 37g of water and find that the new vapor pressure at 75C is 277 torr. What is the Molar Mass of the unknown? How many grams of the unknown would have to be used in 100ml of water to make a 11.5% solution by mass of th...

How many grams of Urea(CH4N2O) have to be dissolved into 253g of Chloroform in order for the boiling point to increase by 3.1C?

If you wanted to have a solution of benzene that would freeze at 0 degrees Celsius with NaCl, what would be the mole fraction of NaCl that you would need?

Given the compounds H2S, NH3, and SO2. Determine the order o boiling points. Rank them from highest to lowest boiling point. Give an explanation for your ranking by the electronegativity data a by type of intermolecular force.

A plane traveling at 600 mph leaves 3/4 hr earlier than a plane traveling at 800 mph. when will the second plane surpass the first?

what is an eleven letter word produced by geothermal plant

in the figure, it is given that AB = 21, BC = 14, and AD = 54. find the lenth of CD

I am trying to do a outline but cant find the topic or thesis in (This question expresses a commonly held (by women) negative stereotype about guys of the male gender, which is that they cannot find things around the house, especially things in the kitche...

where is the thesis sentence in This question expresses a commonly held(by women)negative sterotype about guys of the male gender, which is they cannot find things around thehouse, especially things in the kitchen.

(I need to complete an out line with a introduction and a thesis sentence or statement but I can find what I am looking for here is the article) This question expresses a commonly held (by women) negative stereotype about guys of the male gender, which is...

What is the author in "am i a conformist" by ebtisam abusamak trying to communicate to his audience

what is the inter quartile range of a set of numbers adding to to 76

Reducing fractions to lowest terms ( 27/54=

A simple interest calculation provides a useful estimate of what compound interest will be if(a) the dollar amount is small.(b) the dollar amount is large.(c) the term is long.(d) the term is short.

Since the 1970s, European governments have tried to limit:

A farmer has 600 yards of fence. He will use some of the fence to enclose a rectangular area. He will use the rest divide the area into two congruent rectangles. What is the value of x that results in largest area? What is the largest area that the farmer...

helping grandson with homework looking for answer for 3x-4y=10

Sperm and eggs are found in different parts of plant. Explain why it is important for these cells to unite and describe some factors in a environment that help unite them?

Identify a property of water that contributes its movement through the capillary tubes. Explain how the molecular structure of water contributes to this property. Plants use a similar mechanism to move water through their stems. In a specific species of p...

Answers

The following answers were posted by visitors named regina.

Habor seal aquarium =) 300,000 by 0.20 equals 60,000 (habor seal)

c. 4 and 5 (it's 4.5825757, 4 and 5 are the closest to that number)

Pt: about 195 g/mol if I'm not mistaken..

d. not given it should be seven thousandths

I'm still kind of confused =S

the other slice will be 80 degrees since the other is 60.

P=2l +2w 222 = 2(w+47) + 2w 222= 2w +94 +2w 222=4w+94 222-94=4w+94-94 128=4w 32=w so length = w+47 length = 32+47=79

height of the tree O ________________________ = __ Tan 25= Cast shadow of the tree A 41 Cast shadow = ________ tAN 25 = 87.9

I think the main idea is that women think men cant do any thing with out them telling them what to do

This is the article I am suppose to use or do you you know where I can get the article from can not afford a 150 book no job

Okay so how would I state the introduction and thesis

He wrote an essay am I a comformist By Ebistam Abusamake

I was not asking any one to do any thing and I read it and could not get a clear picture of his point!

MW:CH4N2O(Urea) 60g/mole x 245/1000000 x .100L = .00147g urea. So weigh out .00147g urea and mix it with water in a volumetric flask up to exactly 100mL. Since 1ppm =1mg/1kg or 1/1000000

I think its cohesion from capillary action.

this isnt even an answer ugh