Answer:
The volume of 0.0256 gram of H₂s is =0.0178944 liter
Explanation:
Specific volume of H₂S is 0.699 m³/kg
The volume of 1000 gram of H₂s is 0.699 m³
Then the volume of 0.0256 gram of H₂s is =![\frac{0.699\times 0.0256}{1000}](https://tex.z-dn.net/?f=%5Cfrac%7B0.699%5Ctimes%200.0256%7D%7B1000%7D)
= 0.000178944 m³
=0.000178944×1000 l
=0.0178944 liter
Answer:
2, 4, 1, 3, 5
Explanation:
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When substances change state there is no change in mass. so for physical changes are generally easy to reverse though the end product may not always look exactly the same as the starting material.
Explanation:
It is known that when pH of a substance is more than 7 then the substance is considered basic in nature. When pH of a substance is less than 7 then the substance is considered acidic in nature.
And, when the pH of a substance is equal to 7 then it is considered neutral in nature.
The pH of given substances are as follows.
Coffee = 5.0
Orange Juice = 3.5
Milk = 6.5
Soda pop = 2.5
Battery acid = 1.0
As battery acid as very low pH therefore, it is highly acidic in nature.
Thus, we can conclude that given acids are arranged in increasing order of acidity as follows.
Milk < Coffee < Orange juice < Soda pop < Battery acid
The second answer is not a characteristic because compounds don’t vary from sample to sample. For example NaCl (table salt) is indistinguishable from sample to sample.