• • Flag as...
  Actions…

• Add to Profile

• Questions (502)
• People (56)

• Filter:
• Most Recent
• Greatest
• Orphans

• Does this mean there's lead in it?

  Asked by Judi | 9 responses

• Do light bulbs emit an electrical current?

  Asked by marialisa | 25 responses

• What is an example of a colloid and how do you separate it?

  Asked by leopardgecko123 | 6 responses

• Can you help me convert from nanomoles/liter to picograms/liter?

  Asked by nikipedia | 3 responses

• Question about chemical reactions in chlorine?

  Asked by rojo | 5 responses

• So what wave length would you need for a industrial microwave to melt gold?

  Asked by talljasperman | 9 responses

• Grilling with gas harmful for health?

  Asked by Otto_King from iPhone | 12 responses

• Heating 235 g of water from 22.6 degrees C to 94.4 degrees C in a microwave oven requires 7.06x10^4 J of energy. If the microwave frequency is 2.88x10^10 Hz, how many quanta are required to supply the 7.06x10^4 J?

  Asked by Cryptic | 6 responses

• What is the r-value of HDPE (high density polyethylene)?

  Asked by freerangemonkey from iPhone | 8 responses

• Why does strong black tea get cloudy when you let it sit for a while?

  Asked by sshonkoff | 2 responses

• With hydrocarbons, is chlorine the ONLY atom powerful enough to remove a hydrogen atom from an alkane?

  Asked by julia999 | 6 responses

• Is there such a thing as a natural chemical?

  Asked by cyrusbond from iPhone | 10 responses

• Can anyone help me with this? Chlorine and carbon monoxide gases are mixed in a 1.00L container and the following equilibrium is established: CO(g) + Cl2(g) <--> COCl2(g).. Initially 1.5 mol of chlorine was present with excess carbon monoxide. At equilibrium, 0.8 mol of COCl2(g) was found. How do you calculate the percent reaction?

  Asked by cdog1122 | 10 responses

• Why does a bar of soap end up different from what it started as?

  Asked by LostInParadise | 7 responses

• Green lentils turning red?

  Asked by timothykinney | 3 responses

• When you're supposed to boil and then let simmer, what does the boiling do?

  Asked by MyNewtBoobs | 7 responses

• How fast is alcohol metabolized?

  Asked by brownlemur | 3 responses

• What gas is given off when you put peppercorns in water for 24 hours?

  Asked by nebule | 8 responses

• Is the following kind of plastic bottle ok to freeze and refreeze water in?

  Asked by flo | 3 responses

• Could a really hot surface (~ 500 degrees F) cause hydrogen peroxide to break down the same way that ultraviolet light does?

  Asked by Nullo | 14 responses

• Anybody know anything about antique seltzer bottles and seltzer tablets?

  Asked by YoBob | 1 response

• Are there harmful elements to humans or pets in glitter?

  Asked by kelly | 6 responses

• How do you remove pen ink from nylon, preferably, the do it yourself way?

  Asked by flo | 5 responses

• What is the biochemistry in how cows produce methane?

  Asked by RedDeerGuy1 | 5 responses

• How does one measure the capacity of a round bottom boiling flask?

  Asked by peedub | 6 responses

« Newer 1…101112131415161718192021 Older »