Thursday

October 27, 2016
Number of results: 57,496

**Bio Help Please **

1)How can you indicate that the bacteria have taken up the plasmid? 2)What is the purpose of the LB/amp(-) plate? Should there be bacterial growth on the plate? 3) Why would one compare plates LB/amp (-) and LB/amp (+)?

*March 30, 2013 by Melissa*

**Bio Help Please!!!**

1)How can you indicate that the bacteria have taken up the plasmid? 2)What is the purpose of the LB/amp(-) plate? Should there be bacterial growth on the plate? 3) Why would one compare plates LB/amp (-) and LB/amp (+)?

*March 31, 2013 by Melissa*

**biology**

Which bacterial plates control for: 1) If the E. coli cells were transferred correctly: 2) If the E. coli cells can grow on LB: 3) If the Ampicillin is working correctly: 4) If the “stock” E. coli cells were contaminated with plasmid: Possible choices for each number are: "-"...

*July 18, 2009 by Jenn*

**Electric circuit and Electronics**

A triangular wave of +-12v amplitude and 10Mhz frequency is generated at the output of an op-amp.Calculate the minimum slew rate of the op-amp used.

*March 17, 2016 by gourav bhardwaj*

**Physics**

A 60 watt light bulb in a household circuit at 120 V carries a current of 0.500 amp. (An amp was defined in class as a way to measure charge movement. One amp is one coulomb per second.) How many electrons move through this light bulb in five minutes?

*March 7, 2011 by Anonymous*

**calculus**

The Voltage v , Current I and Resistance R are related by the equation V=IR. Suppose that V is increasing at a rate of 2 volt/sec, while I is decreasing of the rate of 1/5 (amp/sec ). Let t denote time in seconds. Find the rate at which R is changing when V=40volts and 1=2 amp .

*November 7, 2014 by Maria*

**calculus**

The Voltage v , Current I and Resistance R are related by the equation V=IR. Suppose that V is increasing at a rate of 2 volt/sec, while I is decreasing of the rate of 1/5 (amp/sec ). Let t denote time in seconds. Find the rate at which R is changing when V=40volts and 1=2 amp .

*November 8, 2014 by maria*

**calculus-changing voltage**

V = IR V is increasing at the rate of 1 volt/sec while I is decreasing at the rate of 1/3 amp/sec. Let t = time in sec What is dV/dt? What is dI/dt? Find the rate at which R is changing when V = 12 volts and I = 2 amp. Thanks. Please ignore this. I got the answer.

*December 9, 2006 by Jen*

**Biology**

The reason you might see fewer colonies on your LB/Amp/Arabinose + plate (compared to the number of colonies..? The reason you might see fewer colonies on your LB/Amp/Arabinose + plate (compared to the number of colonies that you see on your LB/Amp + plate) is because? a. UV ...

*October 18, 2009 by blair*

**physics**

Expensive amplifier A is rated at 250 W, while the more modest amplifier B is rated at 45 W. (a) Estimate the sound level in decibels you would expect at a point 3.5 m from a loudspeaker connected in turn to each amp. (b) Will the expensive amp sound twice as loud as the ...

*November 7, 2013 by emy*

**physics**

8. The current in a simple series circuit is 5 amp. When an additional resistance of 2 ohms is inserted in series, the current drops to 4 amp. What is the resistance of the original circuit?

*March 14, 2011 by okay*

**precalc**

1. Write an equation of the following using the particular function. 1. The function is sine. The amp is 2 and the domain is [0, 2]. I got y=2sin(pie(x)) but i plugged that in my calc and it doesnt look like the graph on my worksheet 2. The function is cosine. The amp is 3 and...

*January 24, 2013 by Rebekah*

**Calculus**

If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain instant, the voltage is 250 and is increasing at a rate of 4 volts/min, while the current is 0.5 AMP and is increasing at a rate of 0.01 amp/min. Find the ...

*February 28, 2013 by Trevor*

**Biology **

In one signaling pathway, cyclic AMP (or cAMP) acts as a second messenger in a series of reactions that result in the relaxation of smooth muscle cells in artery walls. Define cyclic AMP and describe the role and properties of a second messenger. Then explain how a medication ...

*March 4, 2016 by nan*

**Calculus**

Calculus If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain instant, the voltage is 250 and is increasing at a rate of 4 volts/min, while the current is 0.5 AMP and is increasing at a rate of 0.01 amp/min. ...

*February 28, 2013 by Trevor*

**Biology - Genetics**

Can someone please help explain in a step by step process how to do this problem and what it means? I do not understand what it is asking for exactly in regards to positive, negative, and the resistance gene and so forth...especially about the media being selective. What does ...

*October 1, 2015 by Misa*

**physics**

35 amps of current goes through a 40 amp fuse. What happens? 25 amps of current goes through a 15 amp fuse. What happens? Think about what a fuse is used for. Why would you put a fuse in a circuit?

*April 13, 2007 by Anonymous*

**Algebra**

If a worker wants to pack 200 newly harvested mangoes at average size of 3"x2" in delivery boxes .To optimize the cost and profit in packaging , the mangoes must be properly packed in boxes of similar sizes. To systemize counting , there must also be equal ...

*August 17, 2014 by Claudette*

**MAth**

If a worker wants to pack 200 newly harvested mangoes at average size of 3"x2" in delivery boxes .To optimize the cost and profit in packaging , the mangoes must be properly packed in boxes of similar sizes. To systemize counting , there must also be equal ...

*August 17, 2014 by Claudette*

**maths **

Side of parallelogram is16&3x find x?

*November 10, 2015 by Vijay *

**Help Please!**

1) AMP -activated protein kinase (AMPK): Option A: is activated by both AMP and ADP. Option B: undergoes allosteric regulation. Option C: all of the choices are correct. Option D: adds phosphate groups to serines and threonines in other enzymes. 2) Which of the following ...

*September 12, 2016 by Saki*

**Cell Biology Help Please!**

1) AMP -activated protein kinase (AMPK): Option A: is activated by both AMP and ADP. Option B: undergoes allosteric regulation. Option C: all of the choices are correct. Option D: adds phosphate groups to serines and threonines in other enzymes. 2) Which of the following ...

*September 13, 2016 by Saki*

**Math**

If a worker wants to pack 200 newly harvested mangoes at average size of 3"x2" in delivery boxes .To optimize the cost and profit in packaging , the mangoes must be properly packed in boxes of similar sizes. To systemize counting , there must also be equal ...

*August 17, 2014 by Claudette*

**microbiology**

What is a unique mono-nucleotide of the RNA? Is it GMP AMP TMP CMP or UMP thanks

*October 30, 2007 by Teresa*

**Physics**

Please can you help out: 1)The Potential diff across the terminals of a battery is 8.5v when there is a current of 3amps in the cct from the -ve to the +ve terminal. When the current is 2amps in the reverse direction, the potential diff becomes 11volts. a) what is the internal...

*April 17, 2007 by Charles*

**physics**

Calculate the power of a device that requires 1.98 mA at 25.5 V. I know how to do the problem. i am just confused on how to convert megaAmps(which is mA right?) to amps. i think there are 1million amps in one mega amp? is that correct or is it the other way. so would you do 1....

*April 15, 2012 by hannah*

**PHYICAL**

If average current of 5.5 Amp is passing through a condutor for 2 min ,What is the charge in Coulomb ( C ) crossed any cross sectional area.

*July 10, 2012 by asas*

**Physica**

if an averge current of 5.5 Amp is passing through aconductor for 2 min . what is the charge in Coulomb ( C ) crosstional areaed any cross sec

*August 3, 2012 by LOlo*

**Physica**

if an averge current of 5.5 Amp is passing through aconductor for 2 min . what is the charge in Coulomb ( C ) crosstional areaed any cross sectional area

*August 3, 2012 by mmm*

**physic**

An in-ground swimming pool has the dimensions 20 m x 15 m. It is filled with water to a uniform depth of 3.00 m.What is the total force exerted on the bottom of the swimming pool?The density of water = 1.00 × 103 kg/m3.

*January 9, 2016 by Anonymous*

**chemistry**

I have 3 mg/mL AMP in 50ul stock solution; How do I dilute it to 50ug in 50ul thanks you

*July 5, 2012 by Jenni*

**Chemistry**

A sample of gas occupies 3.00 L at 760 torr. Calculate the volume it will occupy at 1.45 atm and the same temperature?

*September 23, 2010 by Lisa*

**AP BIO**

If a particular experiment were known to have a transformation efficiency of 3 x 103 bacteria/ìg of DNA, how many transformant colonies would be expected to grow on the LB/amp/ara plate?

*April 7, 2010 by Samuel*

**energy conversion**

A 5hp 230volt shunt motor takes 18 amp when operating at full load. The Shunt-field resistance is 115ohms and the armature resistance is 0.25 ohm. calculate the value of the starter resistor if the armature current is limited to 1.5 times the rated value at the starting ...

*September 20, 2010 by baskuuugin*

**Digital Logic**

The input voltage to a certain op-amp inverting amplifier is 10 mV, and the output is 2 V. What is the closed-loop voltage gain?

*December 4, 2007 by Matthew*

**Chemistry**

Determine the molar mass of each of the following gases? A. 2.90 g of gas that occupies 0.500 L at 0 C and 1.00 atm (STP) B. 1.48 G of gas that occupies 2.00 L at 0 C and 760 mmHg (STP) C. 0.726g of a gas that occupies 855 mL at 1.20 atm at 18 C? D. 2.32 G of a gas that ...

*July 19, 2010 by amy*

**Physics**

A 5.0 amp current flows through a 0.20m long solenoid with 1500 loops What are the magnitude and direction of the magnetic field at the centre of the solenoid?

*February 2, 2015 by Sandara*

**Basic electrical engineering**

The average velocity of the electrons in a conductor carrying a current of 65.5 amp is 0.0153 inches per sec.what is the cross-sectional area of the conductor.

*July 1, 2015 by Kenzo*

**math**

angle of elevation of two ships from the top of the lighthouse and on the same side are fond to be 45&30 dreege respectively if the ship is 200m apart find the height of the lighthouse

*November 29, 2015 by rupa*

**physics **

A wire that is 0.86 meters long is moved perpendicularly through a constant magnetic field of strength 0.035 newtons/amp·meter at a speed of 6.0 meters/second. What is the emf produced?

*December 20, 2013 by Anonymous*

**Math**

Find the amplitude, frequency, and distance when t=3 a. y=-15cos((pi*t)/3)+5 b. y=120sin100pi*t I think the amp for a. is 15, the freq is 3/2 cycles per unit of time, and the distance is 20, but I'm not totally sure if I'm approaching this problem correctly.

*December 25, 2014 by Andrew*

**physics(gas laws)**

last of the homework packet questions hopefully! These questions are the ones I had the most trouble on. I have a feeling I didn't do them correctly. :( 3. Given 325 ml of saturated gas at 760 mmHg and 25°C, what would be its volume if dry at the same pressure and temperature...

*January 28, 2008 by abby*

**chemistry**

can someone please explain how to indicate where a label appears in a product? for example: where the label appears in 2-[14C]-Glycine --> AMP

*April 28, 2011 by brian*

**Chemistry**

can someone please explain how to indicate where a label appears in a product? for example: where the label appears in 2-[14C]-Glycine --> AMP

*April 28, 2011 by brian*

**biochemistry**

can someone please explain how to indicate where a label appears in a product? for example: where the label appears in 2-[14C]-Glycine --> AMP

*May 2, 2011 by anony*

**electrical engineering**

Input range: -100mV to +60mV Voltage supplies to the op-amp= ±15V how do we find the input offset voltage?

*February 3, 2012 by eng*

**College Chemistry**

can someone please explain how to indicate where a label appears in a product? for example: where the label appears in 2-[14C]-Glycine --> AMP

*May 2, 2011 by ana*

**biology**

Compare and Contrast: diglyceride vs. dipeptide vs. disaccharide Compare and contrast: GTP vs. UDP vs. AMP

*February 11, 2008 by Anonymous*

**bio**

Compare and Contrast: diglyceride vs. dipeptide vs. disaccharide Compare and contrast: GTP vs. UDP vs. AMP

*February 11, 2008 by Anonymous*

**organic chemistry**

can someone please explain how to indicate where a label appears in a product? for example: where the label appears in the patheway 2-[14C]-Glycine --> AMP

*May 2, 2011 by anony*

**physics**

A 10 amp fuse is connected in series to 4 identical 5 ohm resistors in parallel with each other. What is the maximum size battery that could be connected without blowing the fuse?

*February 24, 2011 by Crystal*

**physics**

I have a typical Opamp diode log amplifier. formula for it is.Vout=-Vth*ln(Vin/IsR) The positive side of amp has a resistor and then is tied to ground.How does that extra resistor impact my standard forumla.

*April 21, 2016 by bearinthewoods*

**science**

a certain mass of gas occupies 600 cm3 and exerted 1.325*10^5 Nm^-2 pressure. at what temperature would the volume of the gas be halved?

*April 18, 2016 by Anonymous*

**physics(gas laws)**

Got a question 3. Given 325 ml of saturated gas at 760 mmHg and 25°C, what would be its volume if dry at the same pressure and temperature? I got confused when I read 'if dry' Does that mean I have to subtract something out of 760mmHg? And would I used the combined gas law and...

*January 27, 2008 by abby*

**Anatomy**

1)Which two molecules/chemicals make up the backbone of the DNA molecule? 2)Which organelle makes most ATP? 3)AMP would have ________ phosphate(s) attached to it? 4)Which is the smallest carbohydrate 5)Which type of chemical bond involves a sharing of electrons

*October 15, 2008 by Stephanie*

**physics**

a 25v heater has two elements, one of which is missing. if the resistance of the remaining element is measured to be 50 ohm,what must the resistance of a second element be when connected in parallel to maintain a current of 1 amp.

*February 27, 2016 by suzy*

**12th Calculus**

suppose that at any tiem t(sec) the current i(amp) in an alternating current circuit is i=2cost+2sint. What is the peak (largest magnitude) current for this circuit?

*November 18, 2008 by ee*

**Physics**

The following circuits represent a logarithm amplifier The output voltage for a log amp with a diode can be determined by the formula below Vout = -(.025V)ln(Vin/IR*R1) , the ln is the natural logarithm of a number. Calculate in a table and sketch the output voltage versus the...

*October 5, 2015 by Megameno*

**CHEMISTRY**

Chromium plating is done using a dichromate solution. How long would it take to plate 1.0x10-2mm thick onto a car bumper with surface area 0.25m^2 in a 25.0 Amp electrolytic cell? (density of chromium is 7.19g/cm^3)

*May 30, 2013 by PreMed33*

**physics**

Expensive amplifier A is rated at 210W , while the more modest amplifier B is rated at 45W . Estimate the sound level in decibels you would expect at a point 9.0m from a loudspeaker connected in turn to each amp.

*November 18, 2013 by waves*

**math: and i really need help**

You plug a microwave into a 20-ampere (amp) electrical circuit. The microwave use up to 12.5 amps. At most, how many amps are availible for other appliances? 20 - 12.5 = ?? amps

*October 24, 2006 by pinkpolkadots7*

**Physics**

A 20 volt battery has a 4 ohm internal resistance. There is a 5 amp fuse in the main line of the battery. How many 6 ohm resistors can be connected in parallel across the battery before thefuse blows?

*June 23, 2014 by Chyna *

**biology**

If a particular experiment were known to have a transformation efficiency of 3 x 10^3 bacteria/µg of DNA, how many transformant colonies would be expected to grow on the LB/amp/ara plate? You can assume that the concentration of DNA and fraction of cells spread on the LB agar ...

*March 5, 2009 by nathan*

**Social Studies**

Which type of amp would you use to find out the population of northern canada thematic? Which type of map would you use to compare the elevations of the alpha and andes physical?

*January 9, 2013 by Jerald*

**math/physics**

A 8 kg mass is attached to a spring hanging from the ceiling and allowed to come to rest. assume that the spring constant is 40 n/ m and a damping constant is 3 N/m. At t=0 and external force of 2 sin(2t+PI/4)N is applied to the system. determine amp, frequency and steady ...

*April 10, 2015 by Frank*

**differential equations**

Search: A 8 kg mass is attached to a spring hanging from the ceiling and allowed to come to rest. assume that the spring constant is 40 n/ m and a damping constant is 3 N/m. At t=0 and external force of 2 sin(2t+PI/4)N is applied to the system. determine amp, frequency and ...

*April 18, 2011 by mike*

**Physics**

If the EMF produced in a wire is 0.88 volts and the wire moves perpendicular to a magnetic field of strength 0.075 newtons/amp·meter at a speed of 4.20 meters/second, what is the length of the wire in the magnetic field?

*May 16, 2013 by Jake*

**physics**

The circuit shown below has a 100 Ohm resistor and 50 Volt-sec/amp (a unit of inductance called the Henry) inductor connected to a 12V battery. It is a freshman physics tradition that inductors are very poorly The switch is closed at t = 0 seconds. What is the magnitude of the...

*December 4, 2013 by james*

**science**

vs =6 volts vth =2 volts ida(diode current)=1m amp no value given for resistor network find rth(thevenien) 2,000 and 4000 do not work. diode current must not be equal to isc.?? voc=2 volts

*December 16, 2015 by bear*

**Chem**

the absolute temperature of the gas at which 3.33 10-3 mol occupies 246 mL at 713 torr

*May 8, 2014 by Sarah Pick*

**physics (gas laws)**

I have a packet of homework so I think I may post other questions that I'm stuck on later this weekend. So that's a heads up. This packet deals with Gas Laws. 1. Given 100 ml of dry gas measured at 37° C and 760 mmHg, what would be its volume at 60°C? I used Charle's Law and ...

*January 26, 2008 by abby*

**Amplifiers**

An op amp has a maximum output voltage swing of 10 Vpp and a voltage gain of 100. What is the largest peak to peak input signal that can be applied to the input without clipping the output signal?

*June 10, 2013 by Adam*

**trigonometry**

how to graph y= sin2(x+1) and y =cos 10(x+3) I know how to find amplitude period phase shift and Vertical shift for first question amp=1 period =pie phase shift =left 1 how to find points to plot it? what values we should put for x interms pies or numbers that is confusing me

*December 20, 2015 by shailaja*

**physics**

One mole of an ideal gas occupies a volume of 3.5×10^-2m^3 and exerts a pressure of 3atm on the walls of its container.Find average translatoinal kinetic energy per molecule and the absolute temperature of the gas? K avg=(3/2)kT

*November 11, 2014 by takunda*

**Chemistry**

How would you start and finish these questions by a step by step process? Does Amp equal to Joules? 1. How many grams of aluminum can be produced by the electrolysis of aqueous aluminum chloride by a current of 5.00 amps for 5.00 hours? 2. Consider the following ...

*April 6, 2014 by Erika*

**physics**

Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string, as shown in the figure below. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is μk = 0.28. Determine the ...

*March 15, 2012 by tom*

**Science **

At 0Â°c and 760mm hg pressure, a gas occupies a volume of 100cm cube. The Kelvin temperature of the gas is increased by one - fifth while the pressure is increased one and a half times. Calculate the final volume of the gas.

*June 30, 2015 by Richa *

**Chemistry**

Ok ive been working on this problem for hours now, can you please tell me if i am correct? Thank You! A gas occupies 340mL at 273 K and 610 torr. What final temperature would be required to increase the pressure to 1 atm, the volume being held constant? P1/T1 = P2/T2 T2 = (T1*...

*March 19, 2012 by Desiree*

**Chemistry **

A gas occupies 275 ml at 0°C and 610 Torr. What final temperature would be required to increase the pressure to 760 Torr, the volume being held constant?

*May 2, 2013 by Chad*

**Chemistry**

If 0.896 g of a gas occupies a 250 mL flask at 20 degrees Celsius and 760 mm Hg of pressure, what is the molar mass of the gas?

*August 5, 2014 by Mupwedi*

**Chemistry;HELP**

1. What volume will a sample of hydrogen occupy at 128.0 oC if the gas occupies a volume of 2.23 dm3 at a temperature of 0.0 oC? Assume that the pressure remains constant. (remember to change to Kelvin). 2. If a gas occupies 1733 cm3 at 10.0 oC, at what temperature will it ...

*August 20, 2013 by Unknown*

**Chemistry**

If 0.896g of a gas occupies a 250mL flask at 20 degree celcius and 760 mmHg of pressure, what is the molar mass of the gas?

*August 6, 2010 by TangenT*

**chemistry**

if 0.896 grams of a gas occupies a 250 ml flask at 20 degrees celcius and 760 mm hg of pressure,what is the molar mass of the gas?

*August 6, 2013 by albius*

**Chemistry**

If 0.896g of a gas occupies a 250mL flask at 20 degree celcius and 760 mmHg of pressure, what is the molar mass of the gas?

*July 27, 2016 by John*

**calculus**

The voltage V (volts), current I (amperes), and resistence R (ohms) of an electric circuit are related by the equation V=IR. Suppose that V is increasing at a rate of 3 volt/sec while I is decreasing at a rate of 1/8 amp/sec. Let t denote time in seconds. Determine the rate at...

*September 27, 2012 by Avi*

**Chemistry**

In this problem, your answers should be mathematical expressions involving a variable. Consider an ideal gas with an absolute temperature of T1 To what temperature would you need to heat the gas to double its pressure? T2=? I got T2=T1P times 2 but it is wrong

*October 17, 2012 by Bill*

**Chemistry**

biochemists consider the citric acid cycle to be the central reaction sequence in metabolism. One of the key steps is an oxidation catalyzed by the enzyme isocitrate dehydrogenase and the oxidizing agent NAD+. Under certain conditions, the reaction in yeast obeys 11th-order ...

*June 19, 2014 by Lety*

**physics103**

an ideal gas at 17•c has a pressure of 760 mmHg and is compressed adiabatically until its volume is halved.Calculate final temperature of the gas assuming Cp= 2100 J/kg/K and Cv=1500J/kg/K

*April 21, 2016 by lesar*

**Physics **

One mole of an ideal gas initially at a temperature of Ti = 7.4°C undergoes an expansion at a constant pressure of 1.00 atm to eight times its original volume. (a) Calculate the new temperature Tf of the gas.______J (b) Calculate the work done on the gas during the expansion....

*November 26, 2012 by Sally*

**Chem**

Can someone check these homework answers please? 32. The barometric pressure measured outside an airplane at 9 km was 259 mmHg. Calculate the pressure in kPa. 34.5 kPa 36. A diving bell is a container open at the bottom. As the bell descends, the water level inside changes so ...

*November 11, 2008 by Anna*

**Math**

Amperes (abbreviated amp) measure the strength of electric current. An ohm is the unit of electrical resistance. In an electric circuit, the current varies inversely as the resistance. If the current is 24 amps when the resistance is 20 ohms, find the inverse variation ...

*May 14, 2012 by Haylie*

**chemistry**

A sample of unknown gas weighs 2.96 g and occupies 750. mL at 760. mmHg and 100.°C. What is the molar mass of the unknown gas?

*March 20, 2012 by bobby*

**arithmetic**

Jenny's mom runs 3 miles 3 times a week . which number sentence can be used to find how many yards she will run in 1 day? A 3 x 3 x 1,760 B 3 x 3 + 1,760 C 3 x 1,760 D 3 + 1,760

*April 2, 2008 by hannah*

**physics**

Consider the circuit shown below. Assume that the op-amp is ideal. fa2014_fn_diode_opamp2.png Figure 3-1 The diode has the following I-V characteristics: iD=Is*(e^(vD/vth)-1) where iD is the current through the diode,( Is ) is the reverse bias saturation current Vd is the ...

*April 10, 2016 by bearinthewoods*

**Chemistry**

A sample of oxygen gas occupies 500.0 mL at -185°C and 75.0 cmHg. Calculate the temperature in °C if the gas has a volume of 221.0 mL at a 55.0 cmHg.

*February 14, 2014 by Harry*

**physics**

A student throws a 9 gram of gum is thrown across the physics lab from a distance of 2.5 m. When the gum has a horizontal velocity of vo it connects with a mass on the end of 1.62 kg simple pendulum which is initially at rest. The pendulum has a length of L of 0.74 m. The gum ...

*April 12, 2010 by Jacob*

**Physics**

A thickness planer is a machine that uses a rotating blade to shave a thin layer of wood off the top of the surface. While operating, a piece of wood is inserted such that it causes the machine to struggle and slow down due to resistance of the lumber. Curiously, the 15 amp ...

*February 2, 2015 by Sandara*

**Physics**

Some air at 275 kPa absolute pressure occupies 50.0m^3. Find its absolute pressure if its volume is doubled at constant temperature.

*April 11, 2012 by Madison*

**phy**

Some air at 275 kPa absolute pressure occupies 50.0m^3. Find its absolute pressure if its volume is doubled at constant temperature.

*April 11, 2012 by Ricky*

**Intro to Physics**

(a) An ideal gas occupies a volume of 3.0 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. _____________molecules (b) If the pressure of the 3.0-cm3 volume is reduced to 2.4 × 10−11 Pa (an extremely good vacuum) while the ...

*November 14, 2012 by Madison*