Answer:
62.82 g
Explanation:
From the question,
PV = nRT.................. Equation 1
Where P = Pressure, V = Volume, n = number of moles of argon, R = molar gas constant, T = Temperature.
But,
Number of mole (n) = mass (m)/molar mass(m')
n = m/m'................... Equation 2
Substitute equation 2 into equation 1
PV = (m/m')RT.............. Equation 3
From the question, we were asked to find m.
There make m the subject of formula in equation 3
m = PVm'/RT.............. Equation 4
Given: P = 2.45 atm, V = 25.4 L, T = 482 K
Constant: R = 0.082 atm.dm³.K⁻¹.mol⁻¹, m' = 39.9 g/mol
Substitute these values into equation 4
m = (2.45×25.4×39.9)/(0.082×482)
m = 62.82 g.
Answer:
The name of that compound is Nickel(||)iodide
Answer:
yeah it's b
Explanation:
The relationship of the speed of sound, its frequency, and wavelength is the same as for all waves: vw = fλ, where vw is the speed of sound, f is its frequency, and λ is its wavelength. ... The speed of sound in a medium is determined by a combination of the medium's rigidity (or compressibility in gases) and its density.
Your team has been hired to advice a fictional
agribusiness company named "Merced Grapes
and Wine", or MGW. MGW is located in the
Merced county, California, where the economy is
driven by agriculture, and works with many grape
farmers of the Central Valley providing different
services such as logistics and distribution,
product processing, and commercialization.
MGW has an annual revenue of $35,000,000
thanks to producing and selling 10,000,000 L of
wine and 25,000 tons of table grapes per year.
They spend per year $12,000,000 in logistics,
$8,000,000 in salaries for their approximately
100 employees, $4,750,000 in maintenance
(excluded electricity), $100,000 in electricity,
and $1,000,000 in other costs. The company
wants to renew itself, and you have been called
to help MGW adapting to new opportunities to
save money or to increase their profit. They have
some "raw ideas" of what to do with their waste,
and you must analyze them and advice which
ones, if any, are feasible. Background Wine waste
consists of grape seeds, skins, pulp residue, and
stems that are byproducts in wine production,
generated after applying low pressure to the
grapes to obtain higher quality must. By applying
higher pressure to them, some bitter substances
and other compounds are released, and the
quality of that wine is too low to be
commercialized. This residue is called pomace or
orujo (in Spanish), and it is currently disposed in
a landfill at a cost. - Waste production: 10,000
tons of wine residue per year. - Current use:
disposed at a landfill at a cost of $100/ton
(including all costs involved).
I need help with option 3 shown below:
Option #3. Extraction of bioactive compounds
(such as anthocyanins and other phenolic
Answer:
The answer is
<h2>7.0 g/cm³</h2>
Explanation:
The density of a substance can be found by using the formula
From the question
mass of rock = 14 g
volume = 2 cm³
The density of the rock is
We have the final answer as
<h3>7.0 g/cm³</h3>
Hope this helps you
