# 3. A gas is confined in a 0.47-m-diameter cylinder by a piston, on which rests a weight. The mass of the piston and weight together is 150 kg. The atmospheric pressure is 101 kPa. (a)What is the pressure of the

17,995 results, page 84-
## Chemistry

How many moles of gas would be in 2.0 L of oxygen at STP?

*asked by Camilla on November 12, 2011* -
## Chemistry

How many grams of CO(g) are there in 67.0mL of the gas at 0.826atm and 30 ∘C?

*asked by Brandon on March 21, 2015* -
## Chemistry (on gas laws)

What is the mass of 3.91 L of fluorine gas at STP?

*asked by Susan on May 10, 2011* -
## chemistry

The molar volume of an ideal gas is

*asked by Xaim on June 16, 2015* -
## science

IS GAS THE MOST IMPORTANT STATE OF MATTER?

*asked by SSS on September 21, 2008* -
## Science

When a gas gets cold, what does it become? A solid or liquid?

*asked by Ana on March 12, 2008* -
## physics

Internal energy for real gas

*asked by Anonymous on November 11, 2017* -
## science

what is the action of chlorine gas on ethane

*asked by vishwajit on August 23, 2016* -
## chemistry

when 25.0 g of Zn reacts how many L of H2 gas are formed at STP

*asked by Stephanie on July 5, 2010* -
## physics

Internal energy for real gas

*asked by Anonymous on November 11, 2017* -
## Chemistry

The most abundant noble gas in atmosphere among He, Kr, Ar, Xe?

*asked by Edd on August 22, 2014* -
## Absolute and relative change

If gas prices are now $3.75 and they were up 10% from 6 months ago, how much were gas prices 6 months ago?

*asked by jake on April 24, 2016* -
## Chemistry

How many moles of O2 are present in 67.2 L of O2 gas at STP?

*asked by Curlyqty on May 5, 2011* -
## chemistry

how much will be produced from 45.0 grams of nitrogen gas?

*asked by cassie on May 20, 2010* -
## Lack of transportation

how much money do u spend on gas getting to college

*asked by Anonymous on May 6, 2011* -
## Science

could a solution of a liquid and a gas be soda

*asked by becca on January 9, 2008* -
## math

A car travels 84 mi on 3 gal of gas how would I do this?

*asked by lilly on November 12, 2010* -
## Physics

An ideal gas whose adiabatic exponent

*asked by Anushka on February 9, 2016* -
## science

water in gas form is called

*asked by paula on January 8, 2013* -
## Simple Chem O2

What is O2 mean? Also what is oxygen gas the formula? Please could someone answer this?

*asked by A on June 3, 2010* -
## Environmental Studies

How does landfill gas move in the environment?

*asked by Thano on November 9, 2008* -
## chemistry

What is the gas produced when lime is heated?

*asked by martha on March 14, 2017* -
## Biology

What gas do plants give off in the light

*asked by Anonymous on November 15, 2015* -
## honors chemistry

Which gas has solubility in water (at STP) of 3.39 L at 10.0°C?

*asked by bob on January 13, 2011* -
## algebra

six times the price of gas minus 20

*asked by Anonymous on January 8, 2016* -
## Analytical CHM

Rank the following items in order of accuracy when they are used for their intended purpose: Volumetric pipet, beaker, Erlenmeyer flask, MOHR pipet, graduated cylinder, volumetric flask, buret. Explain your asnwer below Most accurate 1. 2. 3. 4. 5. 6.

*asked by Joshua on September 5, 2014* -
## Geometry

You have a small graduated cylinder with maximum capacity of 250ml. All measuring marks have been worn off except the 50ml, the 150ml, and the 250ml marks. You have a second larger container(size not specified)that is unmarked. It is possible to put 125ml

*asked by Jason on May 9, 2011* -
## Math

Sally is filling glass containers in the shape of cylinders with different colors of sand. Each cylinder has a radius of 4 inches and a height of 8inches. Sally has 1,000 cubic inches of sand. How many containers can she fill completely.? plz I really need

*asked by sam on April 8, 2016* -
## Math

Sally is filling glass containers in the shape of cylinders with different colors of sand. Each cylinder has a radius of 4 inches and a height of 8inches. Sally has 1,000 cubic inches of sand. How many containers can she fill completely.? plz I really need

*asked by I REALLY NEED HELP on April 8, 2016* -
## Astronomy

How do we image dark matter? (a) We see light from galaxies behind the bullet cluster that is bent (gravitationally lensed) due to the matter (regular and dark) in the bullet cluster. (b) We see light from the gas in the two bullet cluster galaxies and we

*asked by qwerty on October 1, 2013* -
## Calculus disaster

Uranium ore has two main isotopes, mostly U-238 with just a trace amount of U-235. In a sample of Uranium ore, 99.85% of the atoms are U-238 atoms and 0.15% are U-235 atoms. Before the Uranium can be used in a nuclear power plant, the proportion of U-235

*asked by Amanda on August 28, 2010* -
## Physics Classical Mechanics

A stick of length l = 65.0 cm rests against a wall. The coefficient of static friction between stick and the wall and between the stick and the floor are equal. The stick will slip off the wall if placed at an angle greater than θ = 39.0 degrees. What is

*asked by Anonymous on November 27, 2013* -
## u.s. history

How does the tone of the poem change between stanzas 1 and 2, and what does that represent? Bent double, like old beggars under sacks, Knock-kneed, coughing like hags, we cursed through sludge, Till on the haunting flares we turned our backs And towards

*asked by yasminb on May 20, 2014* -
## Computer Science 40

Please help me with this homework assignment. I tried everything and it still didn't work. The question is: Use three variables volume, radius, and height to write a program that can be use to calculate the volume of a cylinder. Formula: volume = radius x

*asked by Mailo Her on January 17, 2011* -
## chemistry

A piece of metal weighing 26g is immersed in a quantity of water in a graduated cylinder. The initial volume of the water was 16.0 ml and volume of water plus metal is 22.0 ml. The density of metal in g/ml is? If you get this right i will hand you over my

*asked by Noel on July 22, 2010* -
## physics

A horizontal 810-N merry-go-round of radius 1.70 m is started from rest by a constant horizontal force of 55 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 2.0 s. (Assume it is a solid cylinder.)

*asked by Z on November 1, 2009* -
## physics

A horizontal 790-N merry-go-round of radius 1.30 m is started from rest by a constant horizontal force of 50 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 2.0 s. (Assume it is a solid cylinder.) J

*asked by monic on November 30, 2012* -
## Physics

Block B in the figure(Figure 1) rests on a surface for which the static and kinetic coefficients of friction are 0.65 and 0.40, respectively. The ropes are massless.What is the maximum mass of block A for which the system is in equilibrium? (Consider the

*asked by Dib on October 11, 2014* -
## Physics

A 0.142 kg remote control 24.0 cm long rests on a table, as shown in the figure(Figure 1) , with a length L overhanging its edge. To operate the power button on this remote requires a force of 0.355 N . How far can the remote control extend beyond the edge

*asked by Please Help Understand on July 6, 2016* -
## English

I left out the following sentences. Thank you very much! 1) Coketown was a town of red brick blackened by industrial pollution. Actually, it was dominated by chimneys from which smoke coiled up like snakes. 2) Dickens uses two similes to describe its dull

*asked by Henry2 on December 21, 2011* -
## science

Will you please check a few more? Physical change, chemical change or both kinds of change? 1. Sodium hydroxide dissolves in water (both) 2. Hydrochloric acid reacts with sodium hydroxide to produce a salt, water and heat (chemical) 3. A pellet of sodium

*asked by Reed on September 13, 2012* -
## Math( 8th) Rate of change

Khiry has money in a savings account at the bank that increases by the same amount of interesr each year. In 2003 khiry had $200 in the bank. In 2006, Khiry had $215 in the bank.In how mnany years will Khiry hav $230? The cost of gasoline per gallon in

*asked by Misty on January 19, 2012* -
## Physics

Hi everybody! can someone please help me with this problem? The shaft ACB, of constant outer diameter 2R and length 2L, is fixed to walls at both ends A and B. The left half of the shaft (AC)is solid, while the right half (CB) is hollow, with an inner

*asked by mary_ann on August 2, 2016* -
## Physics

The PV diagram shows the compression of 44.1 moles of an ideal monoatomic gas from state A to state B. Calculate Q, the heat added to the gas in the process A to B. Data: PA= 1.90E+5 N/m^2 VA= 1.93E+0 m^3 PB= 1.31E+5 N/m^2 VB= 7.90E-1 m^3. deltaE_int = Q-W

*asked by Kid on November 23, 2017* -
## Programming and Design

Draw the hierarchy chart and design the logic for a program that calculates the projected cost of an automobile trip. Assume that the user's car travels 20 miles per gallon of gas. Design a program that prompts the user for a number of miles driven and a

*asked by Matt on April 3, 2013* -
## Chemistry

Given a 1.00 M solution of NaOH, describe how you would prepare 500 mL of 0.05 M NaOH solution. You have a 500 mL volumetric flask and a graduated cylinder. I have been trying to figure this question out for over an hour now. I cant seem to place the given

*asked by Chloe on November 20, 2014* -
## Physics

Consider a human femur of length L = 469 mm. Model the bone as a hollow cylinder, with inner radius Ra = 4.17 mm and outer radius Rb = 12.51 mm. If a 74 kg person's weight is supported by one leg, calculate the stress on the femur; express as percentage of

*asked by Anonymous on October 24, 2012* -
## physics

A block weighing 11.05 N rests on a 28 degree incline. (a) Find the normal force exerted by the plane on the block out of the plane (b) Find the frictional force exerted by the plane on the block up the slope. c) Find the magnitude of the total force

*asked by Anthony on November 1, 2012* -
## science

40 centimeters cubed of dry sand is added to a graduated cylinder containing water, the level of the liquid rose 15 centimeters cubed on the scale. What is the volume, in centimeters cubed of air in the sand?

*asked by Ann on October 13, 2012* -
## Science 8R - help!!!!!!!!!!!!!!!!! (anyone????)

Homework - Draw a graduated cylinder with different liquids in it (different colors) and different densities. Write the densities next to the liquid. What kind of liquid???? How will I know the densities???? What's the color of the liquid???? please help

*asked by Laruen on November 15, 2012* -
## physics

In Figure 12-6, a ladder of length L = 12 m and mass m = 46 kg leans against a slick (frictionless) wall. The ladder's upper end is at height h = 9.2 m above the pavement on which the lower end rests (the pavement is not frictionless). The ladder's center

*asked by Sarah on December 30, 2010* -
## Chemistry

Make 50.0 mL of a 0.500 M solution of acetic acid (CH3COOH) from the 1.00 M CH3COOH using a 50.0 mL graduated cylinder. 1. Show your calculations and explain how you made the acetic acid solution.

*asked by Kate on February 26, 2015* -
## Chemistry

Fill in the Blanks When atoms share electrons to gain the_____ configuration of a noble gas, the bonds formed are______. Atoms lose and gain electrons to form electron configurations like a noble gas (octet in the outer shell). Atoms share electrons to

*asked by Bryan on December 15, 2006* -
## Algebra

The diameter of the moon is 2155 miles. Find volume of the moon. Round answers to the nearest whole number and leave in the answer

*asked by Anonymous on June 1, 2012* -
## math

Solve the problem. Use 3.14 for ð. Round to the nearest tenth, if necessary. A cylindrical container has a diameter of 10 in. and a volume of 549.5 in3. What is the height of the container?

*asked by Cindy on March 29, 2010* -
## science

How can circuit voltage affect the choice of insulator? why does the resistance decreases as the conductor diameter increases? how does temperature effect resistance? please help and thank you

*asked by anonymous on November 17, 2013* -
## math

The diameters of a wooden dowel produced by a new machine are normally distributed with a mean of 0.55 inches and a standard deviation of 0.01 inches. What percent of the dowels will have a diameter less than 0.57?

*asked by michelle on September 28, 2010* -
## chemistry

In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of alcohol?

*asked by Tina on April 6, 2011* -
## chemistry

In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of alcohol?

*asked by Tina on April 6, 2011* -
## physics

A wire is made of a material with a resistivity of 4.85109 × 10−8 Ω · m . It has length 5.57436 m and diameter 0.36396 mm . What is the resistance of the wire? Answer in units of Ω

*asked by Anonymous on May 8, 2013* -
## geometry

The face-off areas in ice hockey have a diameter of 29.9 feet. Find the area of a face-off circle. Use 3.1.4. for pi. Round to the nearest tenth if necessary.

*asked by Olive on September 1, 2013* -
## Chemistry

In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of alcohol?

*asked by Chris on November 2, 2010* -
## math

a wheel of a bicycle has a diameter of 70cm and is rotating at the rate of 200 revolutions per minute calculate the speed of the bicycle in km/hour

*asked by sashey on August 15, 2013* -
## Physics

A point on the rim of a 0.75 m diameter grinding wheel changes speed at a constant rate from 15 m/s to 21 m/s in 6.2 s. What is the average angular acceleration of the wheel in rad/s^2?

*asked by Britney on February 24, 2011* -
## math

Find the surface area of a cone with diameter 27 m and slant height 19 m. Leave your answer in terms of . Note: You do not need to include in your answer

*asked by Hannah on May 15, 2013* -
## Math

The entire can needs to be painted, including the top and bottom. If the diameter of the lid (x) is 5 cm, and the height of the can (y) is 9 cm, what is the approximate total surface area that will need to be painted?

*asked by Rebecca on June 18, 2014* -
## algebra

A quarry shaped like a cone has a height of 42 ft and a diameter of 47 ft. What is the volume of the quarry? Round your answer to one decimal place and use 3.14 to approximate pi. ft3

*asked by Mia on February 20, 2015* -
## Math

A pond 100 ft in diameter is surrounded by a circular grass walk 2 feet wide. Find the are of the walk. Answer in terms of π. Please help me! TY

*asked by Kelly on May 6, 2011* -
## physics

The maximum gauge pressure in a hydraulic lift is 18 atm. What is the largest size vehicle (kg) it can lift if the diameter of the output line is 22 cm?

*asked by ed on November 18, 2013* -
## Science

Blank is a round pellet of ice larger than 5 millimeters in diameter. Snow. A hailstone. Sleet. (MY ANSWER) An ice crystal.

*asked by LOVE on January 28, 2016* -
## math

You are pouring water from a cylindrical can is 7 cm in diameter and 10 cm high into a rectangular pan that is 20 cm in width, 9 cm in length and 14 cm deep. How many cans, can you pour into the pan? Use 22/7 for pi.

*asked by Camilla on March 16, 2014* -
## Physics

The maximum gauge pressure in a hydraulic lift is 19.0 atm. What is the largest size vehicle (kg) it can lift if the diameter of the output line is 32.0 cm?

*asked by Anonymous on January 28, 2010* -
## Math

What is better buy? A square 8in. pizza that cost $10 or a round pizza with a 9 inch diameter that also costs $10 Please explain how answer is found.

*asked by MarSmith on August 4, 2012* -
## Geometry

THE VOLUME OF AN OBLIQUE CONE WITH EQUAL DIAMETER AND HEIGHT IS 18*3.14CM^3. FIND THE HEIGHT AND RADIUS (TO THE NEAREST CM). PLEASE HELP THIS IS MY LAST TEST AND I GRADUATE!!! THANKS SO MUCH!!

*asked by Keiana on February 1, 2013* -
## Physics

Small spheres of diameter 1.00mm fall through 20 degree Celsius water at a terminal speed of 1.10 cm/s. calculate the density of the spheres.

*asked by Emma on February 1, 2013* -
## math

a circular pizza box logo has a sector with a central angle of 80 degrees and a diameter of 16 inches. Find the area of this sector

*asked by G on April 24, 2014* -
## physics

A .5 m long, 3 cm diameter metal bar has a Young’s Modulus of 7.0x1010 N/m2. If a 50,000 N force is applied to the end of the bar, by how much will it compress?

*asked by Kate on July 5, 2011* -
## math

Find the surface area of a cone if the diameter of its base is 13.5 feet, and it has a slant height of 16.8 feet. Round to the nearest tenth.

*asked by Anonymous on January 28, 2013* -
## Math

Find the surface area of the outside of a cylindrical barrel with a diameter of 10 inches and a heights of 12 inches. Is this question asking for the curved part or the circle?

*asked by Anonymous on November 17, 2009* -
## geometry Please help!

The radii of the larger wheels on a tractor are 32 cm. If the ratio of the diameter of a large to small wheel is 19:7, find the diameters of the smaller wheels

*asked by Courtney on April 15, 2012* -
## Math

A bicyclist is traveling at an angular speed of 8pi radians per second. How fast is she traveling in miles per hour if her tires are 28 inches in diameter?

*asked by Anonymous on February 23, 2016* -
## Math

the area of a yard is 420 ft. what is the probability that any leaf landing in the yard will land ina circular wading pool that has a diameter of 14 ft?

*asked by Jessica on December 4, 2013* -
## physics

A hypodermic needle is 2.98 cm in length and 0.28 mm in diameter. What pressure difference between the input and output of the needle is required so that the flow rate of water through it will be 1 g/s?

*asked by britt on November 6, 2012* -
## PHYSICS

A 29.4 cm long solenoid 1.10 cm in diameter is to produce a field of 0.360 T at its center. How much current should the solenoid carry if it has 1000 turns of the wire?

*asked by JOSE on April 4, 2010* -
## Chemistry

What is the de Broglie wavelength of an oxygen molecule, O2 traveling at 521 m/s? Is the wavelength much smaller or much larger than the diameter of an atom. (on the order of 100 pm) How do I do this

*asked by Lauren on November 2, 2007* -
## Physics

What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 44 rpm (revolutions per minute) if the wheel's diameter is 31 cm?

*asked by Claire on November 20, 2018* -
## math

A circular pol is to be built in a back yard. The yard forms a 40ft by 60ft rectangle. The pool will have a diameter of 29ft.

*asked by carmen on September 7, 2012* -
## physics

A 78 cm long, 0.8 mm diameter steel guitar string must be tightened to a tension of 1600 N by turning the tuning screws. By how much is the string stretched?

*asked by Kristen on March 15, 2012* -
## Physics. PLEASE HELP!!

A Ferris wheel rotates 4 times each minute and has a diameter of 17 m. The acceleration of gravity is 9.8 m/s2. What is the centripetal acceleration of a rider? Answer in units of m/s2

*asked by Ashley on February 29, 2012* -
## AP physics

What is the resistance of a copper wire, diameter of 1.50mm and length of 25.0 m? i got R=pl/A R=p(25m)/(3.14*(.00075^2)) how ever i found the answers online and they give me this (1.68*10^-8)(25.0)/(3.14*(.00075^2))

*asked by Anonymous on April 20, 2017* -
## math

A circular piece of sheet metal has a diameter of 20 in. The edges are to be cut off to form a rectangle of area 160in^2. What are the dimensions of the rectangle?

*asked by Sabel on December 9, 2010* -
## College Physics

A steel piano string for the note middle C is about 0.68 m long and is under a tension of 400 N. If the fundamental frequency is 226 Hz, what is the string’s diameter?

*asked by Anon on November 7, 2011* -
## testing of materials

Could you please show me how to solve this problem ! A soil sample is 5.08 cm in diameter and 47.3 mm high. Find volume in cm^3. Also find density (g/cm^3) if its mass is 137.33 g.

*asked by michael on February 8, 2011* -
## 7th Grade Math

You are pouring water from a cylindrical can is 7 cm in diameter and 10 cm high into a rectangular pan that is 20 cm in width, 9 cm in length and 14 cm deep. How many cans, can you pour into the pan? Use 22/7 for pi.

*asked by Erikka on February 24, 2012* -
## physics

If a person who weighs 125lb, rides a roller coaster with a 100m diameter loop at 30m/s. What force did the person exert?

*asked by maria on September 28, 2012* -
## Math

The diameter of a circle is 60cm.find the angle which an arc of length 3.14cm subtends at the circle take pie equals 3.142

*asked by Umaima on January 13, 2016* -
## PHYSICS

A grinding wheel with a 28cm diameter spins at a rate of 2020 revolutions per minute. What is the linear speed of the rim of the wheel?

*asked by blabla on September 9, 2015* -
## Physics

A Ferris wheel is 60 meters in diameter and rotates once every 12.5s. what is the ratio of a person's apparent weight to her real weight (a) at the top, and (b) at the bottom?

*asked by Sidney on October 23, 2013* -
## Geometry

Find the arc length, of a 130 degree arc, in a circle with a diameter of 7.2 inches. Round your answer to the nearest thousandth

*asked by Maria on May 21, 2012* -
## Geometry

Find the arc length, of a 130 degree arc, in a circle with a diameter of 7.2 inches. Round your answer to the nearest thousandth

*asked by Bob on May 21, 2012*