31.6
62.2
32.7
31.1
Correct answer is D
Charles' law is a special case of the ideal gas law in which the pressure of a gas is constant.
Charles's law defines the direct relationship between temperature and volume.
GIVEN DATA: V\(_1\) = 29.5cm\(^3\), V\(_2\) = ? , T\(_1\) = 0ºc or 273k, T\(_2\) = 15ºc or 288k
\(\frac{V_1}{T_1}\) = \(\frac{V_2}{T_2}\)
V\(_2\) = \(\frac{V_1 x T_2}{T_1}\) → \(\frac{29.5 x 288}{273}\)
V\(_2\) = 31.1cm\(^3\)
In which of the following will hydrogen form ionic compound?
HCL
NaH
NH\(_3\)
CH\(_4\)
Correct answer is B
NaH is a saline (salt-like) hydride, composed of Na+ and H− ions
85cm\(^3\)
50cm\(^3\)
125cm\(^3\)
55cm\(^3\)
Correct answer is B
Since 2 mol H\(_2\) reacted with 1 mol of O\(_2\)
: 50cm\(^3\) of hydrogen reacted with 25cm\(^3\) of oxygen
Remainder oxygen = Supplied amount - Reacted amount → 75cm\(^3\) - 25cm\(^3\)
= 50cm\(^3\)
Matching
Consistency
Realization
Going concern
Correct answer is C
No explanation has been provided for this answer.
C\(_4\)H\(_12\)O
C\(_3\)H\(_9\)O
C\(_4\)H\(_9\)O
C\(_3\)H\(_8\)O
Correct answer is D
C \(\frac{69}{12}\) H \(\frac{15.3}{1}\) O \(\frac{30.7}{16}\)
C = 5.75, H = 15.3, O = 1.92
C \(\frac{5.75}{1,92}\) H \(\frac{15.3}{1.92}\) O \(\frac{1.92}{1.92}\)
C\(_3\)H\(_8\)O