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求吧中大神解化学英文题,以后有问就在这楼问下去了

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A mixture of helium, argon and krypton is made and stored in a cylinder at a total pressure of 282 Kpa. The partial pressure of helium is 190 kPa, and that of argon is 63 kPa. What is the partial pressure of krypton in the mixture?
a. 1150 Kpa b. 1.51 Kpa c. 29 Kpa d. 118 Kpa


1楼2013-04-25 08:23回复
    Given the following: heat of fusion of ice = 335 J/g; specific heat of ice = 0.230 J/g; and specific heat of water = 4.18 J/g.
    Calculate the amount of heat required to melt 30.0 g of ice at 0°C.
    a. 2.41 KJ b. 60.2 KJ c. 1.40 KJ d. 80 J


    3楼2013-04-25 08:27
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      2025-06-12 10:42:17
      广告
      没人会解第二题么?


      6楼2013-04-25 18:19
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