Suppose an alkane had 30 hydrogen atoms. How many carbon atoms would it have?
2 answers:
Answer: c. 14 atoms
Explanation:
Saturated hydrocarbons are defined as the hydrocarbons in which a single bond is present between carbon and carbon atoms. The general formula for these hydrocarbons is and they are called as alkanes.
Given: An alkane contains 30 hydrogen atoms
Thus we can write:
Thus the number of carbon atoms will be n which is 14.
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Answer:
48.049 kJ or 48049 J
Explanation:
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So we know the formula . c is the heat capacity but this time, it is not given. However, water has a very well known heat capacity which is 4.184 J/(g°C). This is in fact the number we refer to a calorie which is the amount of energy you burn that can raise the temperature of 1g of water by 1°C. So, plugging in values, you get the above. But double check if I am wrong.