Questions Asked on October 30, 2014

1. The artwork pictured here best represents which message?a) Ideas and creativity can be shown with many different tools. b) It
1. 42 answers
2. asked by Sarah
3. 17,339 views
2CH3OH(l)+3O2(g)→2CO2(g)+4H2O(gPart B Calculate the standard enthalpy change for the combustion of 1 mol of liquid methanol,
1. 5 answers
2. asked by how do i even start this?
3. 7,896 views
Which pair of slopes could represent perpendicular lines?1/7, 7 * 1/2, 2/4 –3/4, 4/3 (my answer or not?) 1/3, 1/3
1. 15 answers
2. asked by Anonymous
3. 7,197 views
Isotonic saline is 0.89% NaCl (w/v). Suppose you wanted to make 1.0 L of isotonic solution of NH4Cl. What mass of NH4Cl would
1. 5 answers
2. asked by Randy
3. 4,757 views
qualitative organic analysis lab1. Why is it important to have clean test tubes before running a test? Before which tests should
1. 2 answers
2. asked by Niah
3. 4,741 views
how does jefferson explain the reason for a formal declaration of independence
1. 5 answers
2. asked by edu
3. 3,970 views
A student combusted 0.500g of purified aluminum power with excess oxygen in an oxygen atmosphere according to the reaction,
1. 2 answers
2. asked by Gina
3. 3,492 views
Please help me with the following:A science class tested ways to clean water after an oil spill. Each group of students was
1. 3 answers
2. asked by Brady
3. 3,441 views
Calculate the enthalpy change for:C2H4(g) + H2 --> C2H6(g) delta Hrxn: H2(g) + 1/2O2 --> H2O (l) C2H4(g) + 3O2 --> 2H20(l) +
1. 2 answers
2. asked by Jessica
3. 3,392 views
Calculate the theoretical percentage of water present in cobalt (II) chloride hexahydrate, given that the molar mass is 237.93
1. 2 answers
2. asked by Tia
3. 3,319 views
4.)Which word or phrase is closest in meaning to the word unanimous?a.)justifies b.)in agreement c.)divided d.)not accurate
1. 25 answers
2. asked by Gabriella
3. 3,154 views
A student reacted 0.500g of Pb(NO3)2 with 0.750g of KI according to the reaction,Pb(NO3)2(aq) + 2KI(aq)=PbI2(s) + 2KNO3(aq) A)
1. 2 answers
2. asked by Gina
3. 3,081 views
if 150 vehicles passed luann how many more minivans than cars would you expect to pass her assume the rate continues
1. 8 answers
2. asked by Anonymous
3. 3,076 views
When 10.8 g of Silver was reacted with Sulfur, 12.4 grams of product was produced (there was only one product). What is the
1. 2 answers
2. asked by X
3. 3,029 views
Prove:1-tanx/1+tanx=1-sin2x/cos2x
1. 2 answers
2. asked by Xiumin
3. 2,816 views
Please help I'm so confused!!!!1. Which two square roots are used to estimate the square root of 5? a. square root of 1 and 2 b.
1. 23 answers
2. asked by :)
3. 2,801 views
150 men live in a certain town:85 are married 70 have a cell phone 75 own a car 55 are married and have a cell phone 35 have a
1. 1 answer
2. asked by Nia
3. 2,791 views
The tread life a certain brand of tires is known to be normally distributed with a mean of 60,000 miles and a standard deviation
1. 1 answer
2. asked by Anonymous
3. 2,738 views
suppose February has 29 days. Explain how you can find how many days there are in the year without counting or adding.explain an
1. 2 answers
2. asked by ann kwon
3. 2,735 views
there are 6 purple socks and 4 orange socks in a drawer. zucky picked one sock without looking and then another without looking
1. 1 answer
2. asked by Kosrae High School
3. 2,732 views
I spent 2/3 of my money at store A. I spent 1/3 of my money at store B. When I left store B I had $4. How much money did I have
1. 2 answers
2. asked by Isaac
3. 2,711 views
Angle A is three times the measure of angle B. The sum of their measures is 128 degrees. Angle B is (x + 2) degrees. Find the
1. 2 answers
2. asked by Jack
3. 2,647 views
Nathan is designing a box to keep his pet newt in. To make the box, he’s going to start with a solid rectangle and cut squares
1. 1 answer
2. asked by Matt
3. 2,548 views
Hello,I don't know how to do this, please help. Thank you. 1).Does the function satisfy the hypotheses of the Mean Value Theorem
1. 1 answer
2. asked by GUGi
3. 2,528 views
The length of the hypotenuse of a right triangle is 13 m. The length of one leg is 5 m. Find the length of the other leg.A. 14
1. 5 answers
2. asked by Anonymous
3. 2,431 views
This 35 year old HIV-positive make with progressive lymphadenopathy and unexplained fevers, night sweats, and chills, low
1. 2 answers
2. asked by Anonymous
3. 2,427 views
Of 375 musicians at a high school, some play only in the jazz band, some play only for the marching band, and some do both. If
1. 2 answers
2. asked by Adon
3. 2,213 views
Which of the following is true regarding the solubility of gases in liquids?Question 4 options: Solubility decreases as
1. 1 answer
2. asked by Travis
3. 2,139 views
How would you estimate 566 divided by 81?
1. 10 answers
2. asked by Anonymous
3. 2,133 views
One isotope of holmium, 162Ho, has a half life of 22 minutes. The half-life of a second isotope, 164Ho, is 37 minutes. Starting
1. 1 answer
2. asked by Anonymous
3. 2,049 views
A marine biologist is testing a new under water probe. The probe is catapulted from the ship into the air, descends under water
1. 1 answer
2. asked by Ryan
3. 2,001 views
20. A horticulturist wants to plant that produces flowers with a certain size color and fragrance but is not aware of any one
1. 6 answers
2. asked by Arie
3. 1,976 views
A solution is prepared by dissolving 104.1 grams of barium chloride, BaCl2 in 1000. grams of water? What is the boiling point of
1. 1 answer
2. asked by Natalya
3. 1,955 views
Which of the following pairs of liquids are miscible in all proportions?Question 3 options: ethanol and oil ethanol and water
1. 1 answer
2. asked by Clair
3. 1,951 views
Which of the following solutions of glucose (C6H12O6) is isotonic with a 0.15 M NaCl solution?Question 24 options: 0.15%(w/v)
1. 1 answer
2. asked by Janet
3. 1,909 views
What was the significance of the American victory at Saratoga?a.)It stopped the British plan to separate New England from the
1. 21 answers
2. asked by Samia
3. 1,807 views
what mass of nitrogen gas is required to react completely with 2.79 of hydrogen gas to produce ammonia?
1. 1 answer
2. asked by Whitney
3. 1,786 views
Arrange the following real numbers in order from greatest to least:0.8, 0.8(repeating 8), 0.89(repeating 89), 0.889( repeating
1. 1 answer
2. asked by Kelsey
3. 1,744 views
Use the formula d = rt. Find t for r = 46.6 m/h and d = 456.68 m. Show your work.This question is not multiple choice
1. 7 answers
2. asked by Gabriella
3. 1,738 views
Consider the following reaction:4NH3(g) +5O2(g) -->4NO(g) +6H2O(g) Suppose we have two flasks connected by a stopcock. In one
1. 1 answer
2. asked by Claire
3. 1,656 views
two types of sandwiches were made for a tea party. 55% of the sandwiches were cheese sandwiches and the rest were chicken. If
1. 3 answers
2. asked by Amy
3. 1,599 views
1.)Identify the underlined place in the decimal number 83.5 8 41.Round the number to that place.a.)thousandths;83.58
1. 14 answers
2. asked by Gabriella
3. 1,561 views
A manufacturing company finds that the daily cost of producing x items of a product is given by c(x)=210x + 7000. Find x using
1. 1 answer
2. asked by Amy
3. 1,495 views
Katrina is studying the effect of foreign substances on bacteria populations. If she introduces abeneficial substance, such as
1. 1 answer
2. asked by Eric
3. 1,489 views
The potential at the surface of a sphere (radius R) is given byV_0 = k cos 3theta where k is constant. Find the potential inside
1. 1 answer
2. asked by Kim
3. 1,485 views
A woman pulls a sled which, together with its load, has a mass of m kg. If her arm makes an angle of θ with her body (assumed
1. 1 answer
2. asked by Michael
3. 1,467 views
A ball initially at rest rolls down a hill withan acceleration of 4.5 m/s2. If it accelerates for 7.9 s, how far will it move?
1. 1 answer
2. asked by chursea
3. 1,452 views
What is the product ofNaC2O4 and Ag+? A. NaC2O4 and Ag+ do not form a product. B. AgNaC2O4 C. Ag2C2O4****** I think the right
1. 4 answers
2. asked by Cassie
3. 1,452 views
Calculate the concentrations of all species in a 1.22 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous
1. 1 answer
2. asked by anon
3. 1,451 views
Fragment of Roman Gladiator leather harness. Radiocarbon date is 2100. What is the corrected age?
1. 2 answers
2. asked by tf
3. 1,397 views
The game of lacrosse seems complicated to me.How does the word complicated function in the sentence? predicate adjective
1. 2 answers
2. asked by Anonymous
3. 1,373 views
Air is being pumped into a spherical balloon so that its volume increases at a rate of 100 {cm}^3}. How fast is the surface area
1. 1 answer
2. asked by john smit
3. 1,361 views
In "The Finish of Patsy Barnes," how does Patsy react to his mother's treatment by the city doctor?a. with gratitude b. with
1. 8 answers
2. asked by yaya
3. 1,351 views
Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees and standard deviation of 1.00
1. 1 answer
2. asked by sandy
3. 1,310 views
How many 134foot pieces of ribbon can be cut from a piece of ribbon that is 36 feet long?
1. 6 answers
2. asked by TYONA LIVELY
3. 1,269 views
Which statement best describes Albigence's evaluation of Washington's leadership?A. he thinks that Washington has been far too
1. 1 answer
2. asked by Anonymous
3. 1,243 views
How much heat is required to warm 1.60kg of sand from 22.0∘C to 100.0∘C? The heat capacity of sand is 0.84 J⋅g−1⋅K−1
1. 2 answers
2. asked by Steve Smeck
3. 1,218 views
Displacement vectors A,B,and C add up to a total of zero. Vector A has a magnitude of 1550 m and a direction of 24.1° north of
1. 1 answer
2. asked by Katherine
3. 1,216 views
2CH3OH(g)→2CH4(g)+O2(g)ΔH=+252.8kJHow many kilojoules of heat are released when 38.8g of CH4(g) reacts completely with O2(g)
1. 1 answer
2. asked by ihatechem
3. 1,214 views
f(x)= x^3 - 2x^2 - 21x - 18all possible rational zeros # of possible positive zeros # of possible negative zeros find all the
1. 1 answer
2. asked by MIchelle
3. 1,206 views
Which of the triangles described in the table is a right triangle.Table Triangle Q, Side 1=25 Side 2=10 Side 3=15. Triangle R,
1. 5 answers
2. asked by Anonymous
3. 1,182 views
Calculate the number of GRAMS of carbon dioxide (CO2) produced when 100 grams of methane (CH4) are completely burned in oxygen
1. 1 answer
2. asked by Jeremy
3. 1,139 views
Which of the following is not a process that forms metallic ore?placer deposits fossil compaction hydrothermal solutions igneous
1. 5 answers
2. asked by Anonymous
3. 1,124 views
What is the molarity (moles per liter) of a solution in which 80 grams of sodium hydroxide, NaOH, is dissolved in 1 liter of
1. 1 answer
2. asked by Lilly
3. 1,107 views
A crate is given an initial speed of 5.0m/s up the 22.5∘ plane shown in (Figure 1) . Assume μk = 0.12.
1. 0 answers
2. asked by Anonymous
3. 1,102 views
For patients with a certain disease the amount of certain protein in the blood is normally distributed with a mean of 130 and a
1. 0 answers
2. asked by Anonymous
3. 1,096 views
Displacement vectorsA, B, and C add up to a total of zero. Vector A has a magnitude of 1550 m and a direction of 22.9° north of
1. 0 answers
2. asked by mathew
3. 1,070 views
3. One calorie is the energy required to raise one gram of water one degree Celsius. Since we use the joule as the standard
1. 0 answers
2. asked by Linda
3. 1,063 views
The circuit shown below is in a uniform magnetic field that is into the page and is decreasing in magnitude at the rate of 150
1. 1 answer
2. asked by Anonymous
3. 1,029 views
Over time,a plant pollinated by a hummingbird has developed very long, tube like flowers.Why might the flower have adapted in
1. 2 answers
2. asked by Jacob
3. 1,025 views
A carpenter is building a staircase using his knowledge of right angles. The steps have a horizontal landing and a vertical rise
1. 1 answer
2. asked by Dana
3. 1,018 views
A car moving westward along a straight, levelroad increases its velocity uniformly from +17 m/s to +40 m/s in 10.7 s. What was
1. 2 answers
2. asked by chursea
3. 1,013 views
My question is this:The potential at the surface of a sphere (radius R) is given by V_0 = k cos 3theta where k is constant. Find
1. 0 answers
2. asked by Kim
3. 1,003 views
Describe the educational background/training necessary for that career. For example: 2-year college degree, Bachelor’s degree,
1. 3 answers
2. asked by Monkey55
3. 1,001 views
An ideal spring has a spring constant k = 20 N/m. The spring is suspended vertically. A 0.7-kg body is attached to the
1. 0 answers
2. asked by Anonymous
3. 986 views
A farmer with 2000 meters of fencing wants to enclose a rectangular field that borders a barn. If the farner does not fence the
1. 1 answer
2. asked by richelle
3. 967 views
The angular position of a pendulum is represented by the equation θ = 0.0340 cos ωt, where θ is in radians and ω = 5.43
1. 0 answers
2. asked by Zandy
3. 938 views
how can i describe polluted air using imagery
1. 4 answers
2. asked by chris
3. 929 views
of the students in ms Martinez class 11/24 walk to school. another 3/8 of the students ride their bikes to school. what fraction
1. 2 answers
2. asked by anonymous
3. 926 views
Solubility Rules!! Homework problem I desperately need help withSolutions used: 6M HCl, 6M NaOH, 6M NH3, 3M H2SO4 Mixed with:
1. 1 answer
2. asked by Kelsey
3. 908 views
of the pizza sold at a pizzeria 1/2 were cheese 1/4 were sausage and 1/6 were pepperoni. what fraction more of the pizza were
1. 2 answers
2. asked by anonymous
3. 900 views
Which of the following is Not a reason why Americans won the war, despite having many disadvantages compared to Britain?A. the
1. 4 answers
2. asked by starlene
3. 874 views
A 0.052g sample of aluminium reacts with excess 6M HCL. A 48.3mL volume of hydrogen gas was collected over water at 22C and the
1. 1 answer
2. asked by jeffrisa
3. 863 views
A traffic light weighting 145 newtons hangs from a vertical cable tied to two other cables that are fastened to a support. The
1. 1 answer
2. asked by mike
3. 853 views
A pasta machine costs $33. The ingredients to make one batch of pasta cost .33 cents.The same amount of pasta costs .99 at a
1. 2 answers
2. asked by swee ttart
3. 838 views
10. Which of the following was true of Secretary of State William Henry Seward?A. He negotiated the purchase of Alaska from
1. 3 answers
2. asked by Sarah
3. 827 views
what declaration of independence rights are the writers claiming that they have
1. 3 answers
2. asked by edu
3. 805 views
Doing a slope project in Algebra.The instructions are to make a picture And label coordinates points.. You have to show a
1. 1 answer
2. asked by DONT KNOW WHAT TO DO
3. 800 views
Which sentence contains a proper noun? (1 point)The boy quickly ran ahead of his mother to get to school.My dog plays all
1. 3 answers
2. asked by robert
3. 798 views
Solve the quadratic function y=2x^2-14x -16 by completing the square. Round roots to the nearest hundredth, if necessary. Show
1. 2 answers
2. asked by Alex
3. 790 views
A car accelerates from rest at 2.57 m/s2.What is the velocity at the end of 5.4 s? Answer in units of m/s
1. 1 answer
2. asked by chursea
3. 775 views
what is the parts of a lily flower?
1. 1 answer
2. asked by angela goss
3. 770 views
Bob, who has a mass of 80kg , can throw a 550g rock with a speed of 27m/s . The distance through which his hand moves as he
1. 0 answers
2. asked by Justin
3. 769 views
To give to others is the lesson Scrooge learned in The Christmas Carol, a famous novel by Charles Dickens and dedicated to his
1. 1 answer
2. asked by Jarad
3. 768 views
Relative abundance of H-2 (deuterium) is 0.015% and O-18 is 0.20%. Calculate the number of D2O18 molecules in a 1mol of natural
1. 1 answer
2. asked by Ruzzle
3. 767 views
Under certain conditions, the reaction3 A + 4 B → 5 C is observed to proceed at a rate of 0.0106 M · s−1. What is the
1. 1 answer
2. asked by john
3. 759 views
A baby sitter pushing a stroller starts fromrest and accelerates uniformly at a rate of 0.557 m/s2. What is the velocity of the
1. 1 answer
2. asked by chursea
3. 752 views
One effective way to include children in developing an attractive environment is to ask themA. to describe their bedrooms. B.
1. 1 answer
2. asked by Amanda
3. 752 views
The solubility of sodium chloride (NaCl) was determined experimentally to be 35.7 g/ 100 g of water (H2O) at 200 C. How many
1. 2 answers
2. asked by Nelana
3. 733 views
In the sentences below, which of the bolded adverbs is used to describe an adjective?A. Gia ran VERY quickly to get to the bus
1. 1 answer
2. asked by Writeacher
3. 726 views

Back to October 2014