# Posts by Ash

Total # Posts: 555

**chemistry**

predict the pH of the solution obtained when a 1.0 M magnesium hydroxide solution is titrated with an equal amount of a 1.0 M solution of sodium chloride.

**Spanish**

Mi hermano quieren jugar al futbol.

**Chemistry**

What are some periodic trends among the following elements- carbon, silicon,germanium,tin, and lead?

**Chemistry**

yes but how is it compared

**Chemistry**

When you look up the atomic masses of Si and Sn and then find the average and then look up the atomic mass of Ge, what is discovered? does it lend supporting evidence to the periodicity of elements?

**Chemistry**

I need help describing some periodic trends in the periodic table

**Chemistry**

why do elements within a group have similar chemical properties?

**Chemistry**

What does the study of the periodic table have to do with classification and prediction?

**law of definite composition**

when performing an experiment using potassium chlorate and heating it to form potassium chloride what reasons can you offer for any differences between your results and another lab group in your class?

**chemistry**

why is the law of definite composition important?

**chemistry**

how could you determine whether all the potassium chlorate had been decomposed after heating it using the law of definite composition?

**Physics**

A bat flying in a cave sends out a sound wave to navigate. If the cave temperature is 10.8 C, and the sound the bats sends out takes 0.0679 s to echo back, how far away is the cave wall

**Physics**

If you are standing on the edge of a canyon and yell into the canyon, how long will it take the echo to return to you if the opposite canyon wall is 1060.4 m away and the air temperature is 25.2 C?

**Physics**

What is the fundamental frequency for tube resonating in water if the speed of sound was 343.5 and the tube was 0.274 m out of the water.

**Chemistry**

calculate the number of atoms in 31.5g of cadmium

**US Government**

Thank you Ms. Sue. Goodnight

**US Government**

Why was the separation of powers among the branches important to the founding fathers? Thanks so much! Ash

**US Federal Government**

thank you very much!

**US Federal Government**

How is popular sovereignty present in US Federal government? I know popular sovereignty means the people have the primary source of governmental authority (it also had to do with slaves states and how a state registered their vote as a slave state or not a slave state... HELP...

**US HISTORY**

which of the 3 branches of the federal US government does the federal reserve and the census bureau fall under?????? please answer! thanx! love, ash

**US HISTORY**

which of the 3 branches of the federal US government does the federal reserve and the census bureau fall under?????? please answer! thanx! love, ash

**math**

Sophia spent $7.30 for school supplies. She spent $3.00 for a notebook and $1.75 for a pen. She also bought 3 large erasers. If each eraser had the same cost, how much did she spend for each eraser?

**US HISTORY**

I am trying to understand the following 3 concepts: Popular Sovereignty Separation of powers (and the 3 branches of gov) Checks and balances (how does a branch have power over another) Thank you for your insight! Ash

**US Government**

I am having a problem understanding what the different roles of the US President are responsibilities: What are"the Head of States" responsibilities? What are "The Chief Executive" responsibilities? What are the "Chief Diplomat" responsibilities? ...

**MATH**

WHAT IS THE SEQUENCE OF 5,7,9,11,13,15...

**Poetry/English**

I am STILL trying to find 3 poetic devices in the poem "The Road Not Taken" by Robert Frost: Please advise if I am on the "right road" or could you put me on "the right path if I am wrong... line 12 "In leaves no step had trodden black"--is ...

**english**

I am trying to find 3 poetic devices in the poem "The Road Not Taken" by Robert Frost. I think "to Where it bent in the undergrowth" is personification I think "Somewhere ages and ages hence" is figurative language and "then took the other, ...

**instrument**

I have absolutely no idea about this, but I am doing a crossword puzzle for music, and I don't know what #1 across is. The clue it gives you is, "music sounds produced by the use of tools," and the word or words is 19 letters long. Help please! Due tomorrow!

**physics**

A train with a velocity of 45.1 m/s must come to an emergency stop in 10.6 s. How far did it travel during this time? i tried to use the x=1/2at^2+vit+xi equation but that did not work..

**physics**

A tailback initially running at a velocity of 6.6 m/s becomes very tired and slows down at a uniform rate of 0.55 m/s2. How fast will he be running after going an additional 6.2 meters?

**physics**

A tailback initially running at a velocity of 6.7 m/s becomes very tired and slows down at a uniform rate of 0.68 m/s2. How fast will he be running after going an additional 6.1 meters?

**physics**

Over a period of 9.0 seconds a plane changes its velocity from 29.5 m/s to 45.7 m/s. What is its uniform acceleration? ---------------- I'm reviewing for my final and i can not think of what the formula to solve this is.

**English**

how do you write great descriptive paragraph

**antonyms**

whats ftthn???

**physics**

A 3.60 kg ball is dropped from the roof of a building 184.8 m high. While the ball is falling to earth, a horizontal wind exerts a constant force of 12.1 N on the ball. How long does it take to hit the ground? (acceleration of gravity = 9.81 m/s^2)

**calculus**

Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal to each other. How fast is the height of the pile increasing when the pile is 20 feet high?

**calculus**

Air is being pumped into a spherical balloon so that its volume increases at a rate of 80cm^3/s. How fast is the surface area of the balloon increasing when its radius is 7cm?

**chemistry**

Fe

**chemistry**

26 protons and 24 electrons. write the symbol of ions

**calculus**

When air expands adiabatically (without gaining or losing heat), its pressure and volume are related by the equation PV^1,4=C where C is a constant. Suppose that a a certain instant the volume is 520 cubic centimeters and the pressure is 99kPa and is decreasing at a rate of ...

**calculus**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 23 knots. How fast (in knots) is the distance between the ships changing at 3 PM?

**math**

fill in the missing signs to make the sum correct...........8 ? 4 ? 4=9

**PRE-CALC**

Ummm the answer in the teacher's book says 11 ft by 14 ft. No idea where you guys got 54.5 and 51...

**government**

the difference among members of the constitutional convention were settled by a duels b compromises c boycotts d all of the above

**science**

I was wondering where i could find some information or articles about people with opinions about : whether there should be a national curriculum in the united states. I have tried googling the topic but i couldn't find much info there. Anything at this point would help. ...

**Science**

gotcha! thanks very much!

**Science**

another conversion question: 876.045 mm = _______________m thanks so much!

**Science**

please help with this conversion: 17cm(cubed)=____ml

**home economics**

resaerch pictures in books and magasines showing other methods of disposal of fullness

**PRE CALCULUS**

V = x(16-2x)(19-2x) = 175 ft³ Ok, thanks. Now I'm trying to multiply out and having some difficulty. I am getting 4x^3-70x^2+304x = 175 which I'm not sure how to work with

**Pre Calculus**

square root of 3x-4 = (x-4)^2-3 Normally, I either take the square root of both sides or I square both sides. Since there is a sqared and a square root, I am confused on how to go about it. Could you please head me in the right direction?

**MATH Prob.**

in a writting competition, the first place winner receives 1/2 of the prize money.the second runner up receives 1/4 of what the winner won .what was the total amount of prize money distributed if the winner receives $6000.

**Business**

I have a multiple choice question I don't know how to do, please help. I was thinking d). Structural resources of a frim include a) customer relationships b) databases c) organizational procedures d) All of the above e) None of the above

**Legal**

yes, i am looking for a definition for both.

**Legal**

What is the difference between infringing use and non-infringing use?

**math**

retarted adding two cylinders together

**Stats help!**

Does anyone know how to find the variance or something if only the correlation of something is given and the other way around?? I really need help with this! THANK YOU!

**stats ?**

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students who were identified ...

**stats ?**

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students who were identified ...

**STATS ?**

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students who were identified ...

**stats ?**

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A. Kindergarten students who were identified...

**science**

do you know some plants in the tundra?

**random assignment-stats**

Would this correctly result in random assignment? A researcher assigns students to one of three conditions based on the month of their birth. If they were born in January, April, July, or October, they are assigned to condition A. February, May, August, and November births are...

**random assignment-stats**

sorry. thanks for letting me know!

**random assignment-stats**

Would this correctly result in random assignment? 1. A researcher assigns students to one of three conditions based on the month of their birth. If they were born in January, April, July, or October, they are assigned to condition A. February, May, August, and November births ...

**chem**

If 60.0 mL of 0.150 M CaCl2 is added to 50.0 mL of 0.100 M AgNO3, what is the mass in grams of AgCl precipitate?

**stats ?**

In order to improve the English speaking and reasing skills of their students, Jack Box Elementary assigns students whose native language is Spanish to a bilingual program for 8 week. To test the effectiveness of this program, then also need a control condition, in which the ...

**stats ?**

The Title I coordinator for the district has been tasked with developing a plan to test two new intensive remediation programs for students with dyscalculia (like dyslexia, only numbers are the problem, rather than words!). The students are 60 8th graders at a magnet school ...

**stats ?**

A researcher investgating depression devises a study that contains the independent variable "Treatment," manipulated between-participants. Participants may experience "psychodynamic therapy," "cognitive behavioral therapy," "medication,"...

**stats ?**

A researcher is designing a study to examine whether "talk therapy" (psychotherapy) can help people suffering from depression, as an add-on to taking medication. Finances and logistics limit her to having one control group, so she has to choose the best (not ...

**stats**

In order to improve the English speaking and reasing skills of their students, Jack Box Elementary assigns students whose native language is Spanish to a bilingual program for 8 week. To test the effectiveness of this program, then also need a control condition, in which the ...

**stats**

The Title I coordinator for the district has been tasked with developing a plan to test two new intensive remediation programs for students with dyscalculia (like dyslexia, only numbers are the problem, rather than words!). The students are 60 8th graders at a magnet school ...

**stats**

A researcher investgating depression devises a study that contains the independent variable "Treatment," manipulated between-participants. Participants may experience "psychodynamic therapy," "cognitive behavioral therapy," "medication,"...

**stats**

A researcher is designing a study to examine whether "talk therapy" (psychotherapy) can help people suffering from depression, as an add-on to taking medication. Finances and logistics limit her to having one control group, so she has to choose the best (not ...

**chem**

A quantity of 16.13 mL of a KOH solution is needed to neutralize 0.4883 g of KHP. What is the concentration (in molarity) of the KOH solution? I don't even know where to begin with the first one. Calculate the amount of heat liberated (in kJ) from 375 g of mercury when it ...

**stats multiple choice ?**

A researcher reports that "Students were randomly assignment to intervention or a control group; the two groups did not differ significantly prior to the start of the intervention. At the end of the study, those receiving the intervention showed statistically significant ...

**Stats multiple choice ?**

If we are told that statistical significance has been achieved, what does that allow us to infer? A. That the differences seen in the samples can be generalized to the population that the sample represents. B. That the measures used are valid and reliable. C. That each of the ...

**stats multiple choice ?**

A researcher reports that "Students were randomly assignment to intervention or a control group; the two groups did not differ significantly prior to the start of the intervention. At the end of the study, those receiving the intervention showed statistically significant ...

**Stats multiple choice ?**

What is wrong with the following statement: “In our study, people with bipolar disorder who underwent therapy in addition to taking medication were significantly less likely (p < 0.05) to require hospitalization as compared to those taking medication alone. We found no...

**mean ?**

Does any one know how to find the mean of a normal gaussian distribution just by looking at the graph??

**mean & mode ?**

If you were a teacher, and these numbers represented your students' scores on a test, would the median or mean give a better picture of the overall class performance? The numbers are 22,38,42,65,75,76,79,82,83,87,88,89,89,91,92,94,96,97,98 The mean is: 78.053 & the median ...

**chemistry**

how many milliliters of 5M NaCl are required to prepare 1500 ml of .002M solution?

**chemistry**

thanks

**chemistry**

how many grams of solid NaOH are required to prepare 200 ml of a .05 M solution?

**biology**

A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50-L container of cold water, what would be the approximate increase in the temperature of the water?

**pre cal**

what is the sum of e or 1n

**precal**

(-8)the exponent is -1/3

**precal**

(48)with the exponent of 1/2

**Chemistry...Please Help**

eric is right. pg 682 has it listed. but its the same thing gk was saying, just less work

**government**

What different kinds of opinions do Justices of the Supreme Court write?

**Math**

50%

**algebra**

What is 4x+12=20

**ap euro**

the french goverment tried to improve living standards for the rural poor by a)paying a stipend to poor families b)encouraginf chea; english imports c)hiring the poor on major public works projects d)establishing a nat'l network of free public elementary schools e)...

**ap euro**

After 1700, Spain a) began losing chunks of her empire to britian b)recovered the late 17th century crisis and held on to her american empire c)acquired brazil from portugual d)abandoned california e)withdrew from slave trade

**ap euro**

by the 1770s, the biggest increase in foreign trade was with

**Case study**

Where can i find real company case studies?

**negative prefixes**

I am trying to plan a lesson about negative prefixes for 5th graders and can't find any good websites to help me. I was hoping someone could help me find some resources. If someone knew of a fun or interesting way to teach this lesson that would be even better. Thank you!

**prealgebra**

2=n-(2n+3)

**physic**

a car travels in a straight line for 3 h at a constant speed of 53 km/h. what is the acceraleration? answer in units of m/s2.

**Pre-Cal**

xy=2 {{x^2=3+y^2}}