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Questions Asked on October 7, 2014

the reaction of 7.10g carbon with excess O2 yields 12.25g of CO2. what is the percent yield of this reaction?I have tried
1. 3 answers
2. asked by Heather
3. 13,014 views
An airplane flys at a constant altitude of 2 miles and a constant speed of 600 miles per hour on a straight course that will
1. 2 answers
2. asked by Hailey
3. 10,851 views
when 21.70 ml of 0.5000 m h2so4 is added to 21.70 mL of 1.000 M KOH in a coffee cup calorimeter at 23.50 degrees c, the
1. 1 answer
2. asked by Jake
3. 9,976 views
A fictitious element X is composed of 10.0 percent of the isotope 55^X , 20.0 percent of the isotope 56^X , and 70.0 percent of
1. 6 answers
2. asked by Cassie
3. 9,124 views
What is the enthalpy change for the first reaction?Fe2O3(s) → 2Fe(s) + 3/2O2(g) ΔH = 4Fe(s) + 3O2(g) → 2Fe2O3 (s) ΔH =
1. 3 answers
2. asked by Hahn
3. 7,174 views
Identify the process that represents how organisms grow and replace old are damaged cells.My answer: This process is called
1. 26 answers
2. asked by Anonymous
3. 6,745 views
To make an enclosure for chickens, a rectangular area will be fenced next to a house. Only 3 sides will need to be fenced. There
1. 3 answers
2. asked by Kathy
3. 6,406 views
A bullet with mass 60.0 g is fired with an initial velocity of 575 m/s from a gun withmass 4.50 kg. What is the speed of the
1. 2 answers
2. asked by Ben
3. 6,140 views
The physical need to eat food is calledA. hunger B. appetite C. Psycological desire. D. nutritional value A?
1. 2 answers
2. asked by Anonymous
3. 5,279 views
Suppose that two boats leave a dock at different times. One heads due north, the other due east. Find the rate at which the
1. 1 answer
2. asked by Hailey
3. 4,988 views
evaluate the expression when a = 4 b = -5 and c = -8-b + c =
1. 10 answers
2. asked by help please
3. 4,937 views
there are 6 rows with 18 chairs in each row. in the center of the chairs, 4 rows of 6 chairs are brown. the rest of the chairs
1. 14 answers
2. asked by aidan
3. 4,750 views
For this problem, a person standing on the edge of a cliff throws a rock directly upward. it is observed that 2 secs later the
1. 1 answer
2. asked by Leah
3. 4,196 views
A pure white solid material that looks like table salt releases gas when heated under certain conditions. There is no change in
1. 1 answer
2. asked by Kelley
3. 3,686 views
a piano mover raises a 1000 N piano at a constant speed using a very light rope in a frictionless pulley system. with what force
1. 2 answers
2. asked by Tom
3. 3,602 views
which of the following best describes the purpose of the U.S constitution?A. It restricts rights of citizens. B. it outlines how
1. 5 answers
2. asked by chris
3. 3,535 views
THE AMOUNT OF CLOTH USED TO MAKE FOUR CURTAINS IS GIVEN BY THE FUNCTION A=-4X^2 + 40X WHERE X IS THE WIDTH OF ONE CURTAIN IN
1. 3 answers
2. asked by Anonymous
3. 3,340 views
Col. John Stapp led the U.S. Air Force Aero Medical Laboratory's research into the effects of higher accelerations. On Stapp's
1. 1 answer
2. asked by Sydney
3. 3,210 views
A ball rolling with initial velocity of 40m/s(W) undergoes an acceleration of 5.0m/s^2(N) for a period of 6.0seconds.(A) what is
1. 1 answer
2. asked by Alan
3. 3,176 views
Classify each as carbohydrate, protein, lipid, or nucleic acid.1. Starch 2. Cholesterol 3. Steroids 4. Glycogen
1. 2 answers
2. asked by Kate
3. 2,985 views
Valerie and Bret have a total of 24 dog show ribbons.Bret has twice as many ribbons as Valerie.How many ribbons does each have?
1. 6 answers
2. asked by Helen
3. 2,876 views
We now haved dx [x5 + y8] = 5x4 + 8y7y' = d dx [9] = 0. Rearranging this, we get 8y7y' = ??????????
1. 1 answer
2. asked by Anonymous
3. 2,869 views
Is 40 a reasonable estimate of a quotient for78,114 divided by 192? Explain your reasoning
1. 11 answers
2. asked by Ms. Stephie
3. 2,848 views
A ball of mass 0.50 kg is thrown straight up at 6.0 m/s. (a)What is the initial momentum of the ball? (b) What is the momentum
1. 2 answers
2. asked by ben green
3. 2,767 views
A force is applied to an initially stationary block of mass 1.75 kg that sits on a horizontal floor as shown. The 53.5 N force
1. 2 answers
2. asked by Anonymous
3. 2,747 views
Yolanda is buying a car with a base price of $16,750. She must also pay the options, fees, and taxes shown. The car dealership
1. 14 answers
2. asked by Ms. Stephie
3. 2,657 views
For the most recent year available, the mean annual cost to attend a private university in the United States was $20,082. Assume
1. 2 answers
2. asked by Meredith
3. 2,642 views
1. Read the following sentences from "Lifeguard Rules!" “That’s it, Ira and Michael,” Francesca had said. "You guys
1. 6 answers
2. asked by Sandy East Ward
3. 2,579 views
A household appliance manufacturer wants to analyze the relationship between total sales and the company's three primary means
1. 1 answer
2. asked by Anonymous
3. 2,496 views
writing to explain write a story problem using ten $100 bills,nine$10 bills,and twenty $1 bills.
1. 11 answers
2. asked by LAKSHMI
3. 2,468 views
Copper sulfide is formed when copper and sulfur are heated together. In this reaction, 132 g of copper reacts with 53 g of
1. 2 answers
2. asked by Mg Good
3. 2,394 views
find the sum of 2 1/2 and 2/5which of the following makes the statement true? 1/5^0 the area of a certain state is 840,000
1. 12 answers
2. asked by Bry
3. 2,273 views
Calculate the atomic mass of titanium. The five titanium isotopes have atomic masses and relative abundances of 45.953 amu
1. 4 answers
2. asked by Mg Good
3. 2,264 views
a fish tank that holds 80 gallons of water is 55 percent full how many gallons are in the tank now and how many more gallons are
1. 4 answers
2. asked by john
3. 2,253 views
Harrison predicted that the actual quotient for 57,872 divided by 305 will be less than the estimate 60,000 divided by 300 =200.
1. 8 answers
2. asked by Ms. Stephie
3. 2,124 views
Am i correct?Since I have never actually been on a plane, my fear of flying is purely __________; my fear of tight spaces,
1. 3 answers
2. asked by Anonymous
3. 2,099 views
In preparation for a storm, the town council boys 13,750 pounds of sand to fill sandbags. Volunteers are trying to decide
1. 8 answers
2. asked by Ms. Liz
3. 2,039 views
When Kaitlin divided a fraction by 1/2,the result was a mixed number.Was the original fraction less than or greater than 1/2?
1. 12 answers
2. asked by Ali
3. 1,995 views
It is often hard to practice self-control when eating in the company of others because people are greatly influenced by which of
1. 6 answers
2. asked by Anonymous
3. 1,968 views
The diameter of the moon is about 3476 kilometers. The distance from earth to moon is about 384,400 kilometers. About how many
1. 12 answers
2. asked by Ms. Liz
3. 1,861 views
Given that, 9,554 divided by 562=17, how can you find the quotient 95,540 divided by 562? Please help answer thanks
1. 13 answers
2. asked by Ms. Liz
3. 1,842 views
leslie is in charge of packing snacks for her class. she has 30 cookies and 20 apples. she wants to put the same number of
1. 6 answers
2. asked by Anonymous
3. 1,762 views
A policeman in a stationary car measures the speed of approaching cars by means of an ultrasonic device that emits a sound with
1. 2 answers
2. asked by Bhodloza
3. 1,692 views
1. If you're aerobically fit, you canA. run a marathon without experiencing fatigue. B. quit your normal exercise routine
1. 6 answers
2. asked by Sarah
3. 1,672 views
A piece of wood is 8 and 7/8 in. long is cut a piece 45 1/2 in. long. If 1/16 is wasted for the cut, how much wood is left.
1. 10 answers
2. asked by Sally
3. 1,669 views
The height of a pop can is 15 cm and its shadow is 20 cm long. A carton of milk next to the can is 0.25 m tall. Determine the
1. 1 answer
2. asked by Whitney
3. 1,656 views
Lindsey has 47 coins in her change purse that are either dimes or quarters. If n represents the number of quarters she has,
1. 7 answers
2. asked by Ty
3. 1,621 views
A 35.9 kg child starting from rest slides down a water slide with a vertical height of 20.3 m. (Neglect friction.)What is the
1. 1 answer
2. asked by mary
3. 1,607 views
Emilio has 8,450 trees to plant in rows on his tree farm. He will plant 125 trees per row. How many full rows of trees will he
1. 6 answers
2. asked by Ms. Liz
3. 1,589 views
Suppose that a person’s blood pressure at time t in seconds is given byp(t) = 100 + 18 sin (7t). (a) During each heartbeat,
1. 1 answer
2. asked by Anonymous
3. 1,555 views
If you use a dirty buret, the titrant leaves drops of solution behind as the meniscus descends during delivery of the solution.T
1. 5 answers
2. asked by Anonymous
3. 1,548 views
Which statement best describes inductive reasoning?A- It uses previously proven or accepted properties to reach a conclusion. B-
1. 3 answers
2. asked by Skye
3. 1,519 views
What is the hypothesis of the conditional statement?If you are not there, then I will leave. A-you are there B- you are not
1. 6 answers
2. asked by Skye
3. 1,506 views
The height h(t) measured in feet of an object dropped by an astronaut on the moon can be approximated by h(t) = h0 (0 on the
1. 1 answer
2. asked by Anonymous
3. 1,482 views
Carla Compra borrowed $800 at 14% for one year. She paid a $15 processing fee.The interest paid will be $. Thus, the total
1. 2 answers
2. asked by Anonymous
3. 1,480 views
Magnesium combines with oxygen to form magnesium oxide. If 20.07 g of magnesium reacts completely with 6.70 g of oxygen, what is
1. 2 answers
2. asked by Mg Good
3. 1,480 views
Mass (g) of solute in 179.8 mL of 0.267 M calcium acetate
1. 1 answer
2. asked by Anonymous
3. 1,459 views
Which of the following is a factor in which you have little control that determines your weight?A. hereditary B. Activity level
1. 3 answers
2. asked by Anonymous
3. 1,451 views
an arrow is shot from a crossbow. How long will it take the arrow to accelerate from rest to a speed of 152 m/s if the crossbow
1. 1 answer
2. asked by Anonymous
3. 1,436 views
Consider the statement:If two whole numbers are even, then their sum is odd. What assumption should be made to prove the
1. 5 answers
2. asked by Skye
3. 1,302 views
A ball is thrown into the air with an initial upward velocity of 45 ft/s. Its height (h) in feet after t seconds is given by the
1. 4 answers
2. asked by Sandra
3. 1,300 views
Question: How do yo pronounce the "Tankadere", the name of a ship in the novel "Around the World in Englty Days?
1. 2 answers
2. asked by rfvv
3. 1,282 views
A trailer has a mass of 5000 kg. It is pulled by a truck with a force of 8750 N. If the frictional force is 2000 N, what is its
1. 1 answer
2. asked by Ben Green
3. 1,278 views
You have a 5/16 in. drill bit. Will it drill a hole large enough to fit a 5 mm bolt? Show two different ways to answer this
1. 2 answers
2. asked by Whitney
3. 1,270 views
Question 2.2. A book is given a sudden push to make it slide along a desktop. If the initial speed of the slide is doubled, by
1. 5 answers
2. asked by GG
3. 1,257 views
How did flooding rivers contribute to the beginning of farming communities?A. They irrigated the crops when they overflowed. B.
1. 5 answers
2. asked by Ala
3. 1,235 views
The damage those rumors did to the actor's reputation is __________, so it is somewhat understandable that he became so
1. 3 answers
2. asked by Anonymous
3. 1,219 views
1. A vertical division of labor is based onA. the establishment of lines of authority. B. the specialization of work. C. the
1. 3 answers
2. asked by MikeP
3. 1,212 views
What shold an artist do first in order to draw a two-point perspective image?A. Use orthogonal lines. B. Use value changes C.
1. 12 answers
2. asked by Anonymous
3. 1,207 views
1.Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y=
1. 0 answers
2. asked by Anonymous
3. 1,198 views
A projectile is shot upward from the earth with an initial velocity of 320 ft/sec.(a) What is the velocity after 5 secs.?
1. 1 answer
2. asked by Leah
3. 1,168 views
When mercury oxide is heated, it decomposes into mercury and oxygen. If 26.8 g of mercury oxide decomposes, producing 1.8 g
1. 1 answer
2. asked by Mg Good
3. 1,160 views
A 12-foot tree casts a 22-foot shadow. Find the angle of elevation from the tip of the shadow to the top of the tree. Round the
1. 1 answer
2. asked by celina
3. 1,154 views
`The average grade point average (GPA) of undergraduate students in New York is normally distributed with a population mean of
1. 0 answers
2. asked by Charlene
3. 1,145 views
I've only written the first half of this paper, but I want your opinion.List the principles of the Magna Carta, the English Bill
1. 1 answer
2. asked by Victoria
3. 1,128 views
Eleanor and Max used two rectangular wooden boards to make a set for the school play. 1 board was 6 ft long, the other was 5 1/2
1. 3 answers
2. asked by Henry
3. 1,095 views
a load of 8 kg attached to the bottom of a coil spring stretches the spring to a length of 76 cm and a load of 14 kg stretches
1. 1 answer
2. asked by Anonymous
3. 1,080 views
Sally had saved 5 quarters from washing cars. How many cents does Sally have? // Sam has saved one thousand nine hundred cents
1. 3 answers
2. asked by ruby.
3. 1,072 views
A band played 3 concerts and earned a total of $321.00. The band earned about the same amount for each concert. Estimate how
1. 4 answers
2. asked by jay
3. 1,037 views
is it C???The author writes that the nobles had "resumed their ancient license in its utmost extent." This means that the nobles
1. 1 answer
2. asked by Anonymous
3. 1,017 views
In which of the following ways do the Montessori organizations differ from the other accrediting groups you learned about in
1. 3 answers
2. asked by quack
3. 1,009 views
Using the Internet, encyclopedia, and/other reference material for research, write a 1,000-word report on feudalism in the
1. 1 answer
2. asked by Anonymous
3. 982 views
for this assignment i have to write summary for each stanzathe poem is Nikki-Rosa by Nikki giovanni my answers Stanza 1-when you
1. 1 answer
2. asked by john Dosley
3. 977 views
A company purchased and installed a machine on January 1 at a total cost of $72,000. Straight-linedepreciation was calculated
1. 1 answer
2. asked by Lonnie
3. 962 views
A ball rolling with initial velocity of 40m/s(W) undergoes an acceleration of 5.0m/s^2(N) for a period of 6.0seconds.(A) what is
1. 1 answer
2. asked by Alan
3. 931 views
It is important to choose simple carbohydrates for breakfast to get you started for your day.True False True?
1. 1 answer
2. asked by Anonymous
3. 928 views
On this semester’s final exam, Susie scored 72 on her classics exam (class distribution: μ =65, σ = 3.57) and 53 on her
1. 3 answers
2. asked by Sally
3. 923 views
A basketball player is standing on the floor 10.0 m from the basket as in the figure below. The height of the basket is H = 3.05
1. 0 answers
2. asked by Jessica
3. 913 views
A refrigeration unit on a job site must be slid into place. If the frictional force of 975 Nopposes the motion and two workers
1. 1 answer
2. asked by Ben Green
3. 906 views
A submarine begins at -125 below sea level. If the submarine travels at 20 feet per minute, how many minutes would it will take
1. 2 answers
2. asked by Reid
3. 891 views
A stunt pilot is attempting to drop a water balloon from a moving airplane onto a target on the ground. The plane moves at a
1. 0 answers
2. asked by Rachael
3. 883 views
eva wants to make two pieces of pottery. She needs 3/5 pound of clay for one piece and 7/10 pound of clay for the other piece.
1. 1 answer
2. asked by Joshua
3. 874 views
Five cards are drawn from a standard deck, what is the probability of picking 3 face cards?
1. 2 answers
2. asked by luke
3. 872 views
the formula v=64h can be used to find the velocity,v,in feet per second,of an object that has fallen h feet.find the velocity of
1. 2 answers
2. asked by wyatt
3. 857 views
Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by
1. 1 answer
2. asked by Anonymous
3. 857 views
Consider the instantaneous velocity of a body.This velocity is always in the direction of 1. the net force at that instant. 2.
1. 1 answer
2. asked by Anonymous
3. 855 views
While you are standing on a expanse of smooth ice, your friend throws a heavy ball towards you. How can you maximize your speed
1. 0 answers
2. asked by Olivia
3. 853 views
The synthesis of zinc iodide was performed using 1.8912g of zinc and 1.5965g of iodine. Determine the limiting reactant and
1. 2 answers
2. asked by Cj
3. 850 views
A circular curve of highway is designed for traffic moving at 93 km/h. Assume the traffic consists of cars without negative
1. 0 answers
2. asked by Sierra
3. 844 views
Simplify the expression cot (cos−1(x)).Not sure how to do this.
1. 1 answer
2. asked by Anonymous
3. 837 views

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