Answer:
1. B
2.C
3.D
4.Sorry don't this one :(
5.A
Explanation:
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Answer:
Ants are as good as sniffer dogs at detecting disease
“Ants are thus equivalent to dogs – the most studied bio-detectors in terms of detection abilities,” the researchers write.
Pink flower (c)
The offspring is a blend of the two parents.
Hope this helps!
Answer : The specific heat of tungsten is,
Explanation :
In this problem we assumed that heat given by the hot body is equal to the heat taken by the cold body.
where,
= specific heat of tungsten = ?
= specific heat of water =
= mass of tungsten = 19.5 g
= mass of water = 78.5 g
= final temperature =
= initial temperature of tungsten =
= initial temperature of water =
Now put all the given values in the above formula, we get
Therefore, the specific heat of tungsten is,
Explanation:
Incomplete Parameters provided. The density of This solution is need to solve this question.
steps to take
Find the Mass of Na2CO3 added
Mass=Mole x Molar mass
=0.05x106
=5.3g.
Find the mass of Water added
Knowing that density of Water is 1g/ml
1g/ml x 1000ml/1L x 0.4L
= 400g of Water
Total Mass = 400 + 5.3 = 405.3g
Recall
Density=Mass/Volume
Volume = Mass/density
The density of the solution isnt given
Get that
Input it into the expression above
and get the volume of solution
Molarity = Moles of solute /Volume of solution in L
THAT WOULD GIVE YOUR ANSWER
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