probably radiation. the sun's radiation waves are heating up the windows that are also heating up the house. but idek anymore sorry sister
The answer is not A because in A, two aqueous solutions(solutions which are diluted and aren’t concentrated) are reacting to produce a gas.
Answer:
55.4g
Explanation:
Given parameters:
Number of atoms in the bottle = 8.34 x 10²²atoms
Unknown:
Mass of air in the bottle = ?
Solution:
The given specie is argon.
Molecular mass of Argon = 40g/mol
To find the mass of this Argon ;
Mass = number of moles x molecular mass;
Let us find the number of moles of the Argon;
6.02 x 10²³ atoms can be found in 1 mole of any substance
8.34 x 10²² atoms will give mole of Argon
= 0.139mole of Argon
So;
Mass of argon = 40g/mol x 0.139mole = 55.4g
Answer: The answer is S = 0.1528 cal/g °C
Explanation:
By the law of conservation of energy, energy is neither created nor destroyed.
So, energy lost by metal pieces is equal to the energy gained by water in the calorimeter.
Specific heat of water is 1 cal/g °C
⇒ heat energy Q = mSΔT, where m = mass of a substance
S = specific heat
ΔT = change in temperature
Now, the heat lost by metal piece, Q = 72×S×(96-31)
= 4680×S cal
Heat gained by water, Q = 130×1×(31-25.5)
= 715 cal
⇒ 4680×S = 715.
⇒ S = 0.1528 cal/g °C.
Answer:
Nomex is also known as poly(m-phenylenediamineisophthalamide)
Explanation:
Nomex has no R-group as terminal,
Meanwhile find attached the structure