Wednesday
July 23, 2014

Posts by tanisha


Total # Posts: 98

Cooking catering
When your creating garnishes which of the following is the most adaptable to creative and interesting shapes

Finite Math
The purchases made by customers at a convenience store are normally distributed, with a mean of $5.50 and a standard deviation of $3.50. What is the probability that a randomly chosen customer makes a purchase between $2.00 and $9.00?

art
What happens when negative and positive shapes begin to fuse together?

Chemistry
If 23.7g of C8H18 are combusted, what mass of water will be produced?

Business Math
2. The interest on $6,000 at 6 percent compounded semiannually for 8 years is: (Use table in the handbook) (Points : 1)

Business Math
7. By using the table in the handbook, the present value of $12,000 for six years compounded at 6 percent semiannually is:

Chemistry
A reaction has a standard free-energy change of -11.80 kJ/mol (-2.820 kcal/mol). Calculate the equilibrium constant for the reaction at 25 degrees C. Please help!

2nd grade math homework
does the broken key 5 means not to use the number5

math
show25 broken key is 5 show in 3 ways

math
please help with daughters homework show 25 broken key is 5 show in 3 ways

English
how does the The character in “My Mother” feel?

sentence skills
but

Physics
what is calculus

math
The volume of a cone is three hundred cubic kilometers. If the radius of the base is 9 kilometers, what is the height of the cone? Use three point one four for pi. Show your work and round to the nearest tenth.

chemistry
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 4 state to the n = 3 state.

english
what is a good thesis statement for jim crow laws?

chemistry 106
Methanol, ethanol, and n-propanol are three common alcohols. When 1.00 g of each of these alcohols is burned in air, heat is liberated. Calculate the heats of combustion of these alcohols in kJ/mol. (a) methanol (CH3OH), -22.6 kJ (b) ethanol (C2H5OH), -29.7 kJ (c) n-propanol (...

chemistry 106
A 0.1589 g sample of solid magnesium is burned in a bomb calorimeter that has a heat capacity of 1769 J/°C. The calorimeter contains exactly 251 g of water, and the temperature increases by 1.126°C. Calculate the heat given off by the burning Mg, in kJ/g and in kJ/mol.

chemistry 106
Calculate the work done if a gas is compressed from 8.3 L to 3.3 L at constant temperature by a constant pressure of 3.0 atm, and give your answer in units of joules. (1 L · atm = 101.3 J)

chemistry 106
The first step in the industrial recovery of zinc from the zinc sulfide ore is roasting, that is, the conversion of ZnS to ZnO by heating. 2 ZnS(s) + 3 O2(g) → 2 ZnO(s) + 2 SO2(g) ΔH = -879 kJ/mol Calculate the heat evolved (in kJ) per gram of ZnS roasted.

chemistry 106
Determine the amount of heat (in kJ) given off when 2.23 multiplied by 104 g of ammonia are produced according to the following equation. Assume that the reaction takes place under standard-state conditions at 25.0°C. N2(g) + 3 H2(g) 2 NH3(g) ΔH°rxn = -92.6 kJ

chemistry 106
Which of the following standard enthalpy of formation values are not zero at 25°C? (Select all that apply.) H2(g) N2(g) Au(s) Be(s) H20(g) Ne(g)

math
what is -.ooo552 in scientific notation

chemistry 106
Dry air near sea level has the following composition by volume: N2, 78.08 percent; O2, 20.94 percent; Ar, 0.93 percent; CO2, 0.05 percent. The atmospheric pressure is 1.00 atm. (Hint: Since volume is proportional to the number of moles present, mole fractions of gases can be e...

chemistry 106
Nitroglycerin, an explosive compound, decomposes according to the equation below. 4 C3H5(NO3)3(s) 12 CO2(g) + 10 H2O(g) + 6 N2(g) + O2(g) Calculate the total volume of gases when collected at 1.2 atm and 25°C from 1.3 multiplied by 102 g of nitroglycerin. What are the part...

chemistry 106
calculate the pressure exerted by 1.00 moles of CO2 confined in a volume of 5.00 L at 450. K. Compare the pressure with that predicted by the ideal gas equation.

chemistry 106
A gas-filled balloon having a volume of 1.50 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 multiplied by 10-3 atm, respectively. Calculate the final volume of...

chemistry 106
The pressure of 6.0 L of an ideal gas in a flexible container is decreased to one-half of its original pressure, and its absolute temperature is decreased to one-seventh of the original. What is the final volume of the gas?

Geometry
a right triangle has legs of 24 units and 18 units. the lenght of the hypotenuse is?

Introduction Enngineering
i need bad help

Science
what are the 6 rules to draw atoms?

ALGEBRA 1
2/3+y=3/4 please show your work

ALGEBRA 1
2/3+y=3/4

Algebra 1
nika did you just copy the answer? thnx Ms. Sue

Algebra 1
solve this equation. show ur wrk work plz. 8y-(2y-3)=9

Language Arts
thnx!

Language Arts
what is free verse poetry? What are all of the examples of poetry?

Social Studies
its not opening up

Social Studies
What role did religious freedom play in the founding of Rhode Island and Pennslyvania?

Language Arts
what is an antonym for rationalize?

Us History
thnx!!

Us History
why were europeans interested in asia?

World History
which country had more than a dozen colonies in what is now the U.S along the atlantic coast by the mid-1700s? a.holland b.britain c.spain or d.france

Intro to physical science
I need a relating topic to physical science that is relating to the reasl world?

math- pre algebra
thnx

math- pre algebra
can you help me with this equation and may you please show your work? -3=3-y

Technology
Is a cellphone an electrical appliance

maTH
ok Ms.Sue may you help me?

PRE*******ALGEBRA
WRITE A FUNCTION RULE TO DESCRIBE EACH SITUATION. PLEASE HELP I DO NOT UNDERSTAND THIS AT ALL. The number of pounds p(z)as a function of the number of ounces z. The selling price s(c)after a 45% markup of an item as a function of the stores' cost c. The total number of mil...

math
The medians are 33 and 36 then you add 33 and 36 and divide the solution of the numbers by 2 and you should get 34.5 or 34 1/2.

Pre Algebra Math
How to write a rule for a linear function?

Science
Why do astronomers need to use special methods to detect star systems?

math pre algebra
thank you very much Bob!!

math pre algebra
what is the slope of y=5x-6 and y=7/2x +5 ?

Pre Algebra
what is the slope of y=5x - 6 and y= 7/2x + 5 ?

Pre Algebra
thnx i already figured that out but i really need help with this one 7x + 2y=10

Pre Algebra
5x-y=6 what is the equation in slope intercept form?

algebra 2
thats part of algebra 2 thats easy were doing that now in pre algebra

Social Studies
Why are foreign investors hesitant to invest in many countries in East Africa?

science
this isnt me i never asked this question

science
explain how trees affect the water cycles including deforesting

Social Studies
what are the main resources of Sudan in East Africa?

Social Studies
thanks!!

Social Studies
nothing i donteven know what unrest means.

Social Studies
How has unrest hurt Rwanda and some other East African countries?

Social Studies
I think irrigation might make a region's land and soil more fertile and suitable for farming.

Social Studies
How might irrigation help a region's economic development?

Science
If a planet had a surface with craters but no other features, what could I say about the inside of the planet?

social studies
Where is the eastern rift located? Where is the western rift located?

Math Pre Algebra
for the second one do i do 1348(0.0025)(1.5)= 5

Math Pre Algebra
oh ok thank you

Math Pre Algebra
so the answer or the first one is 135 and im not supposed to add 900 to 135?

Math Pre Algebra
Find the simple interest. $900 deposited at an interest rate of 3% for 5 years. $1,348 deposited at an interest rate of 2.5% for 18 months.

Science
I have two questions. How can an atmosphere affect the temperature of a planet's surface? If a planet had a surface with craters but no other features, what could you say about the inside of the planet?

Geography
THANKS ALOT!!!

Geography
How does climate types found in East Africa influence what grows there? Thank You in Advance to whoever helps me!!

Math - Pre Algebra
Thank you soo much!! But can you show me the steps on how to caculate 1280(1.13)^3.

Math - Pre Algebra
$1280 at 13% compound annually for 3 years Use the formula: B= p(1+r)n Please help me I need the answer for tommorow

Math - Pre Algebra
Simple and Compound Interest Find the simple interest. principal= $870 interest rate= 6% time= 9 months Please help me I need the answer for tommorow.

earth science...help
what are the 3 rock types and how can you tell them apart and also what are some realy cool facts about them thank you

math
thank you ms. sue have a great night

math
so if my question is find the dimensions of a box that will hold twice as many cubes as a box that is 2 by 6 by 4 a] volume of original box: 48 b]volume of new box is :96 c] dimensions of new box is 12 by 4 by 2

Math
12 * 4 * 2

Math
Find the dimensions of a box that will hold twice as many cubes as a box that is 2 by 6 by 4

science
building blocks?

chemistry
i got -1/3 for delta H. thank you very much, you have been a big help.

chemistry
ok this is what i have gotten: 3Fe2O3(s)+9CO(s)-->6Fe(s)+9CO2(g) 2Fe3O4(s)+CO2(g)-->3Fe2O3(s)+CO(g) 6FeO(s)+2CO2(g)-->2Fe3O4(s)+2CO(g) but the desired reaction is in a one to one ratio, and also the CO(g) is on the left side in the desired reaction. does that mean i h...

chemistry
Given: *Fe2O3(s)+3CO(s)-->2Fe(s)+3CO2(g)(delta h is -23kJ) *3Fe2O3(s)+CO(g)-->2Fe3O4(s)+CO2(g)(delta h is -39kJ) *Fe3O4(s)+CO(g)-->3FeO(s)+CO2 (delta h is 18kJ) Desired:FeO(s)+CO(g)-->Fe(s)+CO2(g) find delta h for the desired reaction. which reactions do i reverse ...

chemistry
Which of the following halides forms a solid when added to silver? (More than one answer may be selected) 1) Cl- 2) Br- 3) F- 4) I-

Algebra1A
(-3,4);-2x+1

Accouning
Help Needed ASAP!!!There's too much questions to be asked.

Where are you Jasmine20, I answered your Homework
Please check your homework answer At: Name:Tanisha Subject: To:Jasmine20 I posted the answer for GURU DEFINITION. HOPE IT HELPS!!! I think jasmine20 is not on jiskha.

To:Jasmine20
Guru is like a master. Did you had help with the questions and answers of HINDU RELIGION? I mean the one you posted that you need another religion, not your religion did you got help? I think jasmine20 is not on jiskha I HAVE TO TRY AND FIGURE OUT SOME MORE STUFF FOR MY FINAL ...

Social Studies Homework (About USA And Canada)
I need help with one question and I need one question answer checked! Social Studies Homework: 1)What are the two main languages of USA? Answer: English and Spanish 2)What are the two main languages of Canada? (Please give an direct answer for question 2 and don't write we...

Please Help Me With My Math Homework
I wrote my math homework questions. It's in Jiskha Homework Help Forum In: Name:Tanisha Subject:Math Thank You! I already replied, you don't need to make a new question asking someone to answer...... Thanks for the answer! It was a good help! the product of 7_ ,4_ , an...

Math
I need help with my math homework.I searched for homework help forums and I found the Jiskha Website on the Google Website so this is my first time.I am new. Math Homework: What is the value of number 3 in 2,539? What is the value of number 9 in 4,879 What is the of number 6 i...

inclusive language
Can you please verify if I have done this correctly 1. Each advisor was contacted by his students. my answer Each advisor was contacted by their students. or Each advisor was contacted by his or her students. His or her students, not their students (because you are saying EACH...

inclusive language
Can you please verify if I have done this correctly 1.The directors and their wives met the stockholders for a night on the town. my answer The directors and their spouses met the stockholders for a night on the town. You are correct.

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