Helium
Properties of Helium
Find Molar mass, gas constant, and ideal-gas specific heats of Helium
| Substance | Helium | |
|---|---|---|
| Symbol | He | |
| Molar Mass | M, (kg/kmol) | 4.003 |
| Gas Constant | R, (kJ/kg·K*) | 2.077 |
| Specific Heat Data at 25C | Cp, (kJ/kg·K) | 5.193 |
| Specific Heat Data at 25C | Cv, (kJ/kg·K) | 3.116 |
| Specific Heat Data at 25C | k= (cp/cv) | 1.667 |
Albion 200-5 Air-Powered Standard Line - 2 5/8 " Dia Quart Bulk Special Deluxe Gun
200-5 Air-Powered Standard Line - 2 5/8 " Dia Quart Bulk Special Deluxe GunIndustry: Serious Sealant Applicator. Air Powered Standard. Force Generated: 1000 lbBest for extreme volume requirements, Capacity: 2 1/2 QuartMaterial Type: All Single & Slow... read more
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Ridgid 51887 / DS110 PowerPush Air-Powered Material Dispenser
(7)Returns will not be honored on this Closeout item
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Glass Screen Protector Designed for iPhone 11 Pro Max
(1)360-1 Air-Powered Standard Line - 1/10 Gallon Cartridge Air GunIndustry: Serious Sealant Applicator. Best for high volume or industrial applicationsMaterial Type: Material Packaged in 1/10 Gallon or 300ml Cartridges, Drive Type: Single Action AirPres... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Albion Quart Bulk Air Gun w/ Double Action Air Feature - 2" Diameter model #624-1
624-1 Air-Powered Isolated Cylinder Line - 2 " Dia Quart Bulk Special Deluxe GunIndustry: Serious Sealant Applicator. Air Powered Isolated Cylinder. Force Generated: 375 lbBest for extreme volume requirements, Capacity: 1 QuartMaterial Type: All Sing... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Wagner 0287040 PowerCaulk 740 Variable Speed Rechargeable Cordless Caulking Gun
(2)Cordless and rechargeableLess than 4 lbs.Up to 30 tubes in one charge6 hour recharge timeIncludes the charger and one battery
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Albion 100-12 Air-Powered Standard Line - 1 Pint Bulk Air Gun
100-12 Air-Powered Standard Line - 1 Pint Bulk Air GunIndustry: Serious Sealant Applicator. Air Powered Standard. Pressure Generated: 120 psiBest for small tool where space is an issue, Capacity: pintMaterial Type: All Single & Slow Cure Two Componen... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Caulk Master PG100 1/10th Gallon Cartridge Air Caulking Gun
(41)Do a 4-hour job in 45 minutesTrigger allows you to vary amount of materialOnly instant load twist lock bayonet on market3-foot air hose, 1/4-inch NPT at 70 psi maxWeighs 14.5 ounces
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Albion 365-2 Air-Powered Standard Line - Quart Cartridge, Unspouted w/ front cap/nozzle
365-2 Air-Powered Standard Line - Quart Cartridge, Unspouted w/ front cap/nozzleIndustry: Serious Sealant Applicator. Best for high volume or industrial applicationsMaterial Type: Material Packaged in Quart Cartridges, Drive Type: Single Action AirPr... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Caulk Master PG151 Professional Air Powered Dispensing Gun
(31)The PG151 dispensing gun has a 2 in 1 handle that will dispense material from both 10.3 and 30-Ounce cartridges.Tool comes with a 3 foot air hose and standard fitting to easily connect to a high-pressure regulator and air tank or compressor (purchase... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Campbell Hausfeld 1 Gallon Portable Air Compressor with Inflation Kit & Air Hose, w/Accessory Kit (DC010010E)
(52)Versatile – the air compressor is ideal for quick and easy inflation of car tires, bikes tires, sports balls, air mattresses; also great for cleaning your workbench area and lawn equipmentUser friendly design – easy to read gauges make for accurate p... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Makita MAC210Q Quiet Series, 1 HP, 2 Gallon, Oil-Free, Electric Air Compressor
(126)Quiet Series design at only 60 dB for operator and crew comfort; ideal for indoor useRuns at a lower RPM (1, 750) resulting in longer motor and pump lifeComplete roll-cage construction provides protection to withstand a variety of job-site, transport... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
SKEY Air Compressor Tire Inflator - Handheld Electric 150PSI Portable Air Compressor, Cordless Car Tire Pump with Rechargeable Battery,USB Power Cord,Digital Pressure Gauge
(1805)[FAST INFLATIION & AUTO SHUT OFF] Our cordless tire inflator has strong air compression up to 150PSI, will inflate your car tire in seconds and save your precious time. It will auto shut off once reached your preset pressure value. So, you do not hav... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
SKEY Air Compressor Tire Inflator - Handheld Electric 150 PSI Portable Air Compressor Cordless Car Tire Pump with Rechargeable Li-ion Battery and USB Charging Cable, Digital Pressure Gauge
(7546)[FAST INFLATIION & AUTO SHUT OFF] Our cordless tire inflator has strong air compression up to 150PSI, will inflate your car tire in seconds and save your precious time. It will auto shut off once reached your preset pressure value. So, you do not hav... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Makita MAC2400 Big Bore 2.5 HP Air Compressor
(786)Cast iron pump with Big Bore cylinder and piston is engineered to provide faster recovery time for improved performanceLow AMP draw reduces incidences of tripped breakers at start up. The 4.2 gallon twin stacked tank sustains an operating pressure of... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
CALIFORNIA AIR TOOLS CAT-1P1060SP GAL 56DB Air Compressor
(444)Ultra quiet only 56 decibelsOil-free pump for less maintenance & costs1.0 gallon steel tankLightweight for easy transporting - 29 lbsPowerful 0.6 HP (rated/ running) 1.2 HP (peak) motor
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
California Air Tools 2010A Ultra Quiet and Oil-Free 1.0 HP 2.0-Gallon Aluminum Tank Air Compressor,Silver
(573)Ultra Quiet only 60 DecibelsOil-Free Pump for Less Maintenance & Costs2.0 Gallon (Rust Free) Aluminum TankPowerful 1.0 HP (Rated / Running) 2.0 HP (Peak) Motor3.10 CFM at 40 PSI 2.20 CFM at 90 PSI Ultra Quiet only 60 DecibelsOil-Free Pump for Le... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
DEWALT 20V MAX Cordless Tire Inflator, Tool Only (DCC020IB)
(3134)High pressure inflation mode with automatic shutoffHigh volume inflation and deflation modesThree power sources for inflation on a jobsite and on the go: 20V MAX battery, 12V DC, or 110V AC (20V max battery, charger and 110V AC cord sold separatelyLe... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Makita MP100DZ 12V Max CXT Lithium-Ion Cordless Inflator, Tool Only
(829)Conveniently tops off cars and light truck tires with speed and easeEasily inflates bicycle tires, sports balls, and moreMakita-built motor delivers up to 120 PSI capability.Battery Charge Time (minutes) : 70Auto-stop function automatically stops inf... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
PORTER-CABLE Air Compressor, 6-Gallon, Pancake, Oil-Free (C2002)
(2787)150 psi max tank pressure stores more air in the tank for longer tool run times2.6 SCFM at 90 psi allows for quick compressor recovery time, per ISO1217Six-gallon pancake-style tank for stability, includes water drain valve and rubber feetLow-amp 120... read more
(as of November 28, 2020 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)