Chemistry, 14.10.2019 12:20 heavendavis101
Hydrofluoric acid, hf(aq), cannot be stored in glass bottles because compounds called silicates in the glass are attacked by the hf(aq). sodium silicate (na2sio3), for example, reacts as shown below. na2sio3(s) + 8 hf(aq) h2sif6(aq) + 2 naf(aq) + 3 h2o(l) (a) how many moles of hf are needed to react with 0.340 mol of na2sio3?
Answers: 3
Chemistry, 21.06.2019 21:00
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
Chemistry, 22.06.2019 14:30
How does a noncompetitive inhibitor reduce an enzyme’s activity?
Answers: 1
Chemistry, 23.06.2019 06:00
Each step in the following process has a yield of 70% ch4 + 4cl2 yield ccl4 +4hcl ccl4 + 2hf yield ccl2f2 + 2hcl of 4.50 mole ch4 reacts what is the total amount of hcl produced
Answers: 3
Hydrofluoric acid, hf(aq), cannot be stored in glass bottles because compounds called silicates in t...
Mathematics, 20.02.2020 20:27
Mathematics, 20.02.2020 20:27