Answer:
A. It would cause an expansion
Explanation:
Study Island told me the answer ;)
Answer:
B. 6.3 × 10² J
Explanation:
The formula for work (w) done is
w = f×d
f = 70 N
d = 10 m
w = 70 × 10
w = 700 J = 7 × 10² J
w is <em>positive</em> because work is being done on the object.
Answer: 3.00 molecules
Explanation:
Given that:
Mass of CO2 = 132.03 grams
Number of molecules of CO2 = ?
Molar mass of CO2 = ?
For the molar mass of CO2: Atomic mass of Carbon = 12; Oxygen = 16
= 12 + (16 x 2)
= 12 + 32 = 44g/mol
Apply the formula:
number of molecules = (mass in grams/molar mass)
N = (132.03 grams/44g/mol)
N = 3.00 molecules
Thus, there are 3.00 molecules of CO2 in 132.03 grams of CO2.
Answer:
2H2 + O2 -------------> 2H2O
I would guess therefore 2 x 2.50 L or 5.00 L
Explanation:
Answer:
a) 52.8
Explanation:
M1V1 = M2V2
(7.91 M)(x ml) = (2.13 M)
(196.1 ml)
(7.91M) (xml) = 417.693 M.ml
x ml = 417.693/ 7.91
x = 52.8