Answer:
A. Decomposed organic matter
Explanation:
A, because the shape of it forms and arc much like a H2O molecule.
<span>Cr3+ O2- ; the formula is Cr2O3 ( criss cross)</span>
Answer:
48.049 kJ or 48049 J
Explanation:
Hello again.
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.
