# Posts by yvonne

Total # Posts: 133

**chemistry**

If 19.7g of ALL, is actually produced, what is the percentage yield? 2Al+3I2 2 All3

**chemistry**

if you react 5.00g of aluminum with 20.0g of iodine, how much aluminum iodide do you expect to produce from this reaction? what is the limiting reactant ? what is the excess reactant? how much of the excess reactant do you expect to have left over?

**maths literacy**

Distance between two towns is 3,5cm,what is the actual distance in kilometres if you are givem a bar scale of 8km?

**stats**

Suppose for a given group of people, the mean height is 5.5 ft with a standard deviation of .25 ft, and let the data fall under a normal distribution.What percentage of the group is between 5 ft and 5.75 ft?

**maths**

show that (4-<3)(4+<3) ----------simplifies to <13 <13

**Business/economics**

Im currently doing an assessment for business, and consumer socialization is one of the questions in the assessment.

**Business/economics**

Can someone please explain what "consumer socialisation" is. I would really appreciate it if its not copy and pasted from other website because I've searched it up, but I just don't understand it. Thank you

**Biology**

Hi, I am trying to work out a hypothesis to compare Estrogen receptors in breast cancer cells to normal breast tissues. Am I right in thinking that this will be a hypothesis using "effect" words instead of association ?

**Health Science**

There is a website called "Ducksters". If you just enter "Diabetes" from there, it will explain exactly what you are looking for in simple terms. Hope this helps :-)

**Biology (check answer)**

Yes - because the new strand would be translation, not transcription :-)

**Chemistry**

A is a solution of tetraoxosulphate(iv)acid.B contains 3.95g of sodium trioxocarbonate(iv) in 750cm3 of solution.if 22.70cm3 of the tetraoxosulphate(iv)acid neutralized 25.0cm3 of sodiumtrioxocarbonate(iv).calculate the concentration of i) B in moldm-3 ii) A in moldm-3

**programming**

Example Develop a pseudocode algorithm for a program that accepts each of the average marks of 10 students in a class and computes the sum and the average mark of the class. The program should display the average mark of the class. Begin Set total to zero Set counter to one ...

**introduction to law**

We have heard that south Africa has two kind of sources of law.what are those two sources of south African law?

**Life orientation**

Discuss six ways that the heman rights violations influences individuals groups and the broader south african community

**Life orientation**

need help on maths physics an LO

**math**

Steve runs a kennel and purchases dog food from a U.S supplier. The supplier sells 25 lb bags for $28.95 U.S Each dog eats about 3.5kg/week and Steve boards an average of 16 dogs per day. How many bags of dog food will he need for 3 months? The answer is 64 bags but I keep ...

**Finance**

10% fixed rate for 25 years.

**Finance**

Rob and laura wish to buy a new home. The price is $187,500 and they plan to put down 20%. CIBC will lend them at a fixed rate for 25 years with monthly payments. How much will Bob and Laura's monthly payment be? Assuming they pay off this mortgage over the 25 years as ...

**Movement and Music**

At what age are children usually able to hop? 20% 30% 40% 50%

**stats**

46

**chemistry**

calculate delta G at 298 K when 5.0 atm H2 and 3.0 atm of CO2 are converted to methanol.

**chemistry**

calculate delta G at 298 K when 5.0 atm H2 and 3.0 atm of CO2 are converted to methanol. I know you can calulate for Q and use that but how do you do the calculation when you don't have the atm for the final product.

**chemistry**

Thank you, I was totally over thinking the problem

**chemistry**

calculate the change in pH when 5 ml of 0.01M HNO3 is added to 50 ml of water. I know how to calculate pH, but not when it is changing.

**Chemistry**

HCI is a strong acid. What is the ion concentration, (H+), of a 0.0015M solution of HCI? What is the pH of a 0.0015M solution of HCI? I have looked in my book but it not making sense. I am not sure where to even start the problem. A little guidance please

**Social Studies**

I have read my textbook. If I did not I would not be here.

**Social Studies**

2.)Why were Native Americans forced to leave their lands during the 1830s? a.)settlers wanted to settle the land b.)U.S. citizens settled the land first c.)the Supreme Court ordered their removal d.)their new lands were better for farming 4.)How did President Jackson respond ...

**8TH GRADE LANGUAHE ARTS**

By the way people I am not sure if it is correct I just put my answers up to see if I am correct. Am I correct anyone

**8TH GRADE LANGUAHE ARTS**

b c d b d c d a d

**8TH GRADE LANGUAHE ARTS**

It is not a test it is a review

**8TH GRADE LANGUAHE ARTS**

It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20. The only things ...

**Science**

What are the implications of having aquitards in the water cycyle/

**Language Arts; Trouble with television**

It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20. The only things ...

**8th grade English; Trouble with Television**

okay thankd

**8th grade English; Trouble with Television**

Thanks.. I don't know what you mean by my answer key may not be the same

**8th grade English; Trouble with Television**

2 d 4 b

**8th grade English; Trouble with Television**

c c a a c

**8th grade English; Trouble with Television**

The Trouble with Television Robert MacNeil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived ...

**Language Arts 8**

a c a c c

**english**

The answers are a c a c c 5/5 100%

**english**

4)c Thanks for helping me with 1, 2, 3, 5

**english**

Someone checked and no one is replying thanks for helping me with the first two 3)a 4)d 5)c

**english**

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...

**I need help asap**

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...

**english help repost**

The answers are a c a c c 5/5 100%

**Language Arts**

Can anyone help me...........

**Language Arts**

3)b 4)c 5) b

**Language Arts**

I did not do it yet

**Language Arts**

It is not a test it is a review and may you please check my answers a c c d a

**Language Arts**

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...

**8th grade language arts**

The answers are a c a c c 5/5 100%

**8th grade language arts**

number 2 is right after number 1 sorry I forgot to space it...................please give me the answers to the rest...........sorry I took to long I have been out all day long....

**8th grade language arts**

a c c d a

**8th grade language arts**

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...

**science**

Suppose you place a 30kg weight 50cm from the pivot where should the following forces be applied to lift the load a)a 100N force b)a 150N force 2)how far will the load in question 1 be lifted if: a)the 100N force moves downwards b)the 150N force moveddownwards 1m

**science**

suppose you place a 30kg weight 50cm from the pivot, where should the following forces be applied to lift the load (a)a 100N force (b)a 150N force

**algebra**

A tennis ball is released from a height of hcm, it rebounds one-third of the distance it has fallen after each fall. Find the total distance travelled when it strikes the ground (i) the third time (ii) the nth time

**math**

7%

**Analytical Chemistry**

A-7 B-2 C-1 D-5 E-6 F-4 G-3

**Math**

3(4a+1)-6_>10a-7

**nature of science**

it is doubled

**algebra**

what is the translation of two more than four times the number

**algebra**

The width of the park is x meters. The length of the park is one meter more than twice the width. Write an expression for the area of the park.

**Geometry**

What is the area semi-circle piece of glass for Norman glass when the width is 3ft. and the length is 4ft? Radius is not known.

**Probability**

A spinner has equally sized sections, of which are red and of which are green. The spinner is spun and, at the same time, a fair coin is tossed. What is the probability that the spinner lands on green and the coin toss is heads?

**Algebra**

(x^3+2x^2-4x-8)/(x^4-16)x(3x^2+8x+5)/3x^2+11x+10)

**Math**

System A has a 10% chance of being "down", while system B has a 5% chance of being "down". What is the probability that: 1) Neither computer system will be operational. 2) Both computer systems will be operational. Thanks!

**Math**

Lou eats 6/8 of a pizza what fraction of the pizza in simplest form is left over

**geometry**

A right triangle prism has a volume of 2 cubic inches. A second right triangle prism is similar to the first one and has a volume of 128 cubic inches. A. What is the scale factor to go from the first prism to the second? B. What is the scale factor to go from the second prism ...

**Math**

z(-3)

**Math**

z(-3)

**Independent studies instead of pe**

Need time to study home work

**finite math**

A tray contains 14 chocolate chip cookies and 16 oatmeal raisin cookies. How many ways can a child select 4 cookies that include at least 1 chocolate chip cookie?

**language**

believe, cares, attacks, thought, solves, cuts, run, fears, leave

**math**

C- slant upright

**English**

Idk really, but i think u just write about the main part ya Peace out

**math**

Abby takes 6 steps forward, then 2 steps back. If she repeats this pattern,how many steps will she be from where she startedafter 4 moves? After 5 Moves?

**biology**

how does a dictionary illustrate a form of classification?

**criminal procedure**

In which areas of search and seizure do feel that the courts have not gone far enough?

**Chemistry**

If I begin with 2.5g of Mg and excess HCL. How many liters of H2 gas will I produce at 25C and 1 atm? 2HCL + Mg ----> MgCl2 + h2 ?? using pv=nRT

**Physics**

In a computer monitor, an electron beam with a current of 4x10^-6 A is directed at the screen. How many electrons are transferred to the monitor in 2 minutes.

**algebra**

If $300 = 7% of X then X = ?

**College Math**

Consider the following expression. 3(x-2)-9(x^+7x+4)-5(x+8)

**College Math**

The "learning curve" describes the rate at which a person learns certain tasks. If a person sets a goal of typing N words per minute (wpm), the length of time t (in days) to achieve this goal is given by the following formula. t=62.5ln(1-N/80) (a) According to this ...

**College Math**

A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.3 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)

**College Math**

An artifact was found and tested for its carbon-14 content. If 88% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.

**accounting**

What is the ending balance in an account that opebs with $7000, earns 7.5% interest compound quarterly, and is held for 20 years.

**Calculus**

Consider the differential equation, dy/dx=(x+1)/y^2 with the initial condition y(0)=3. Write down the particular solution, and hence, calculate the value of y when x=8.7, to 3 dec places.

**calculus**

If the line y=mx-5 does not meet the curve y=3x^2-6x+7 then value of m is in the open interval (a,b). Find the exact value of b.

**Statistics**

A box contains 12 lights bulbs, of which 4 are defective. All bulbs look alike and have equal chance of being chosen. 3 light bulbs are selected from the box to check the quality. a. List all the possible outcomes b. find the probability that all 3 are defective c. Find the ...

**statistics**

Identify why this assigbment if probabilities cannot be legitimite: P(A)=0.4, P(B)=0.3, P(AandB)= 0.5

**physical**

height=42m,speed=250m/s, how long will the object remain in air?

**hr**

Decision making is a process by which several possibilities are considered and prioritized, resulting in a clear choice of one option over others. Decision making is a fact of life personally and in business. We make dozens of decisions each day. Some decisions are simple, ...

**physics**

what is the force in newtons acting on a 4.0kg package of nails that falls off a roof and is on its way to the ground

**math**

on saturday you earn half as much as you do on sunday but twice as much as you do on friday. during the 3 days you $70. how much did you earn each day

**math**

you invest 200.00 into a savings account that earns 2% simple interest. How long will it tkae to earn 50.00 in interest?

**algebra**

Solve. 2x-1/x=4

**algebra**

Simplify. x^2+3x+2/x^2-2x-3

**math**

Multiply. 3x-3/2x-2 * 4x/3

**algebra**

Multiply. 2x-1/3x * x+1/2x