Chemistry, 30.08.2019 15:10 aidendespatieshakim
Which neutral element has a total of 76 protons 76 electrons and 114.2 neutrons?
Answers: 1
Chemistry, 22.06.2019 14:30
100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)
Answers: 1
Chemistry, 23.06.2019 05:30
Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.
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Chemistry, 23.06.2019 09:30
What is the best describtion of the side of the moon that faces earth?
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Chemistry, 23.06.2019 12:50
Which of these describes the rate of this chemical reaction? h2 + cl2 → 2 hcl a. an increase in the concentration of hcl and h2 with time b. an increase in the concentration of hcl with time c. an increase in h2 and cl2 with time d. a decrease in hcl and cl2 with time
Answers: 1
Which neutral element has a total of 76 protons 76 electrons and 114.2 neutrons?...
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