To measure scope 2 emissions, an organization first needs to gather data on the types and quantities of energy it consumes, such as electricity, natural gas, and fuel oil.
Scope 2 emissions are greenhouse gas (GHG) emissions that result from the generation of electricity, heat, or steam that an organization consumes. These emissions are often referred to as "indirect emissions" because they are not directly emitted by the organization itself, but rather by the source of the energy that the organization consumes.
The organization can then use GHG emissions factors, which are data on the average emissions intensity of different energy sources, to calculate the emissions associated with its energy consumption.
For example, if an organization consumes 100,000 kilowatt-hours (kWh) of electricity from a coal-fired power plant, it can use the GHG emissions factor for coal-fired electricity to calculate the associated scope 2 emissions. The GHG emissions factor for coal-fired electricity might be 0.9 metric tons of CO2e per MWh, so the scope 2 emissions for the organization in this example would be 90 metric tons of CO2e (100,000 kWh x 0.9 metric tons CO2e/MWh).
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How many moles of nitrogen gas are present in a 28.9 dm3 temperature of 55.0 °C and a pressure of 144 kPa?
Given :
Temperature, T = 55° C = ( 55 + 273 ) K = 328 K .
Volume of container, V = 28.9 dm³ = 0.0289 m³ .
Pressure, P = 144 kPa = 144000 Pa .
To Find :
Number of moles of nitrogen gas.
Solution :
We know, by ideal gas equation :
PV = nRT ( R ( universal gas constant ) = 8.31 J K⁻¹ mol⁻¹ .
[tex]n = \dfrac{PV}{RT}\\\\n = \dfrac{144000\times 0.0289}{8.31 \times 328} \ moles\\\\n = \dfrac{4161.6}{2725.68}\\\\n = 1.53 \ moles[/tex]
Therefore, number of moles of nitrogen gas is 1.53 moles.
A student titrated 50 cm of sulphuric acid (H2SO4)of an unknown concentration
in a flask with sodium hydroxide (NaOH).
The acid required 30 cm3 of 0.500 mol/dm3 NaOH to reach the end point
H2SO4(aq)
+ 2NaOH(aq)
Na2SO4(aq) + 2H2O()
Calculate the concentration the acid.
Concentration =
mol/dm3
Calculate the concentration of hydrochloric acid if 50.0 mL of hydrochloric acid is neutralized by 25.0 mL of 2.0 M sodium hydroxide. The neutralization reaction is shown below HCl + NaOH > H2O + NaCl
Answer:
1.0M HCl is the concentration of the acid
Explanation:
Based on the reaction, 1 mole of NaOH reacts per mole of HCl. That means the moles added of NaOH in the neutralization = Moles of HCl in the solution. With the moles and the volume in Liters we can find the molar concentration of HCl
Moles NaOH = Moles HCl:
25.0mL = 0.025L * (2.0moles / L) = 0.050moles HCl
Molarity:
0.050moles HCl / 0.0500L =
1.0M HCl is the concentration of the acidAn 886 mL sample of Neon gas is at 752 torr and 299 K. What will be the new volume if, with the pressure and amount of gas held constant the temperature is increased to 371 K?
Answer:
[tex]V_2=1099.35mL[/tex]
Explanation:
Hello there!
In this case, according to the given information, it is possible to infer that as both the amount of the gas and the pressure remains the same, we can solve this problem via the Charles' law a directly proportional relationship between the volume and temperature:
[tex]\frac{V_2}{T_2} =\frac{V_1}{T_1}[/tex]
Thus, by solving for the final volume, V2, we obtain:
[tex]V_2 =\frac{V_1T_2}{T_1} \\\\V_2 =\frac{886mL*371K}{299K}\\\\V_2=1099.35mL[/tex]
Best regards!
qestions do you have about plate tectonics
From the deepest ocean trench to the tallest mountain, plate tectonics explains the features and movement of Earth's surface in the present and the past.
Developed from the 1950s to the 1970s, the theory of plate tectonics is the modern update to continental drift, an idea first proposed by scientist Alfred Wegener in 1912 which stated that Earth’s continents had “drifted” across the planet over time. Wegener didn't have an explanation for how continents could move around the planet, but researchers do now: plate tectonics.
Plate tectonics is the theory that Earth's outer shell is divided into large slabs of solid rock, called “plates,” that glide over Earth's mantle, the rocky inner layer above Earth’s core. Earth’s solid outer layer, which includes the crust and the uppermost mantle, is called the lithosphere. It is 100 km (60 miles) thick, according to the Encyclopaedia Britannica. Below the lithosphere is the asthenosphere—a viscous layer kept malleable by heat deep within the Earth. It lubricates the undersides of Earth's tectonic plates, allowing the lithosphere to move around.
Answer:
1. How fast do tectonic plates move? Answer: There are seven major plates: African, Antarctic, Eurasian, Indo-Australian, North American, Pacific and South American
2. What are the factors affecting plate tectonics? Answer: The force that causes most of the plate movement is thermal convection, where heat from the Earth's interior causes currents of hot rising magma and cooler sinking magma to flow, moving the plates of the crust along with them.
3. What 3 things support the theory of plate tectonics? Answer: Modern continents hold clues to their distant past. Evidence from fossils, glaciers, and complementary coastlines helps reveal how the plates once fit together. Fossils tell us when and where plants and animals once existed.
Explanation:
Describe how urine is formed, beginning with the blood. In 5th grade language please
Answer:
kidneys takes the waste out of the blood. It is then stored in the bladder, until the urinary tract takes the urine out of the body.
When
Mercury
orbits
the
Sun,
it
gets
as
close
as
4.8
x
107
miles
to
the
Earth.
It
gets
as
far
as
1.38
x
108
miles
to
the
Earth.
What
is
the
difference
of
these
two distances
Answer:
hdkdjfjhdakdhevghggggfdffggggfggcdhxgjcfogogiPLSSS ANSWERRRRR????
Describe how temperature changes the average Molecular kinetic energy?
According to Kinetic Molecular Theory, an increase in temperature will increase the average kinetic energy of the molecules. As the particles move faster, they will likely hit the edge of the container more often. If the reaction is kept at constant pressure, they must stay farther apart, and an increase in volume will compensate for the increase in particle collision with the surface of the container.
hope this helps!
could i get brainiest?
Select the correct answer.
John is riding a ski lift to the top of Wildcat Mountain. He removes his gloves and rapidly rubs his hands together to warm them up. What
happens when John rubs his hands?
O A. The skin on his hands rapidly conducts heat, similar to metal.
O B. He traps heat between his hands because skin is an insulator. IS
O C. The particles In his hands vibrate faster because of friction.
O D. Thermal energy moves from his fingertips to his palms.
O E. He simulates a fever that'll raise his core body temperature.
Answer:
Fairly certain it's C. The particles In his hands vibrate faster because of friction :)
Answer:
C
Explanation:
9
If you wanted to make 250 mL of a 0.01 M solution of CaCl, calculate how many moles of calcium chloride would be
needed. Your response must include both a correct numerical setup and the calculated result. [1]
Answer:
0.0025moles
Explanation:
Molarity of a solution (M) = number of moles (n) ÷ volume (V)
According to this question, to make 250 mL of a 0.01 M solution of CaCl, the following number of moles is needed:
Volume = 250mL = 250/1000 = 0.250Litres.
Using; molarity = n/V
0.01 = n/0.250
n = 0.0025
n = 2.5 × 10^-3 moles.
What causes the release of energy in an exothermic reaction? Bonds breaking Bonds breaking A catalyst A catalyst Bonds being formed Bonds being formed Electrons escaping the bond
Answer:
weak bonds break and strong bonds form
Explanation:
An exothermic reaction is a chemical reaction in which heat energy is evolved during the reaction process.
Bond formation requires energy while bond breakage releases energy. More energy is needed for the formation of weak bonds as compared to strong bonds.
Hence, when weak bonds break, they release more energy than needed to make a corresponding strong bond leading to the release of the remaining energy as heat.
Scientists have been able to find a full record of Earth's fossil history, thus making the fossil record complete.
True or False?
Answer:
False
Explanation:
Few organisms were not preserved as well as others, and new fossils are found every day
a- Write the name of the process when the electron falls to a lower energy level and a photon is emitted
Answer:
emission
Explanation:
when atoms return to lower energy levels they emit photons, in a process called emission
Create a model of the atoms of a substance moving through the solid, liquid, and gas states.
Which energy transformation occurs when a match is lit?
A
Chemical energy to heat energy
B
Heat energy to potential energy
C
Electrical energy to heat energy
D
Kinetic energy to potential energy
Answer:
A
Explanation:
the chemical energy in the phosphorous in the match turns into heat energy once the match is struck and starts to combust.
what color does blue and cyan pigment make?
Answer:
Teal
Explanation:
Blue lightens the cyan.
Lab: Limiting Reactant and Percent Yield
Student Guide
Pre-Lab Information
Purpose Explore the yield of a chemical reaction by identifying the limiting reactant, comparing the
theoretical and actual yields, and explaining the sources of error.
Time Approximately 45 minutes
Question While observing a chemical reaction, how can you tell which reactant is limiting?
Reaction The reaction of copper(II) chloride and aluminum is shown in this balanced equation:
3CuCl2 + 2Al 2AlCl3 + 3Cu
Hypothesis If a substance is the limiting reactant, then it will be fully consumed by the time the
reaction completes because it is the reactant that reacts completely and the reaction
cannot proceed further.
Summary You will react copper(II) chloride with different quantities of aluminum in two trials. You
will also calculate percent yield for Trial 2.
Answer:
pre lab information would be the thing you to ressearch the lab to get the information
Limiting Reactant and Percent Yield Lab Report attached
A train with an initial velocity of 31 m/s begins accelerating at rate of 0.0705 m/s^2. If the train travels for 180.5s, how far does it travel?
Answer:
v = 43.72 m/s
Explanation:
Given that,
Initial velocity of the train, u = 31 m/s
Acceleration of the train, a = 0.0705 m/s²
Time for which the train travel, t = 180.5 s
We need to find the final velocity of the train. Let it is v.. Using first equation of kinematics to find it such that,
[tex]v=u+at\\\\v=31+0.0705\times 180.5\\\\v=43.72\ m/s[/tex]
So the final speed of the train is equal to 43.72m/s.
What type of organism is the common house cat?
F
parasite
G
saprophyte
H
autotroph
J
heterotroph
Answer:
F
parasite
Explanation:
What is the percent by mass of C in benzene (C6H6)? The molecular weight of carbon is 12.0107 g/mol and of hydrogen 1.00794 g/mol
Answer:
92.26% of C
Explanation:
To solve this problem we must assume we have 1 mole of benzene. The mole contains 6 moles of C and 6 moles of H. We have to convert these moles to grams in order to find the total mass and mass percent will be:
Mass atom / Total mass * 100
Mass C: 6mol C * (12.0107g / mol) = 72.0642g
Mass H: 6mol H * (1.00794g / mol) = 6.04764g
total mass: 72.0642g + 6.04764g = 78.11184g
Mass percent of C will be:
72.0642g C / 78.11184g* 100
92.26% of CPLEASE HELP ME WITH PHYSICAL SCIENCE!! PRETTY EASY QUESTION
Explanation:
Bbbbbbbbbbbbbbbbbbbbb
Answer:
B.
Explanation:
the substance would still be pure because both of the atoms are natural
it wouldnt create something pure or new it would just combine
so it would be B
hope this helps!
~goldfishareswag/brianna
:)
Which change of phase is most likely occurring in the beaker
Answer:
Evaporation
Explanation:
Heat makes molecules move and eventually evaporate.
Please Help! Brainliest!
Convert the following to milligrams: 5.6 x 10-4 kilograms. Show your work on a separate sheet of paper and attach
with your assignment.
Hi there!
Here's a picture to show you. Does this help?
What theoretical yield of NaCl would result from reacting 3.00 moles of Na2CO3 with excess HCl (aqueous)?
Answer:
350.7 g of NaCl
Explanation:
For this reactions our reactants are:
HCl and Na₂CO₃.
Then, the reaction is:
2HCl + Na₂CO₃ → 2NaCl + H₂CO₃
2 moles of hydrochloric acid react to 1 mol of sodium carbonate in order to produce 2 moles of salt and 1 mol of carbonic acid.
Ratio is 1:2. 1 mol of sodium carbonate can produce 2 moles of NaCl
Then, 3 moles of carbonate may produce (3 . 2) /1 = 6
We convert the moles to mass to determine the theoretical yield
6 mol . 58.45g /mol = 350.7 g
The theoretical yield of NaCl produced is 350.7 g.
What is NaCl?NaCl is a salt, and it is an ionic compound.
The reaction is
[tex]\rm 2HCl + Na_2CO_3 \rightarrow 2NaCl + H_2CO_3[/tex]
2 mol of HCl reacts with 1 mol of [tex]Na_2CO_3[/tex] and produces 2 mol of NaCl and 1 mol of [tex]H_2CO_3[/tex].
The ratio will be [tex]Na_2CO_3[/tex] : NaCl
1 : 2
Then, for 3 mol of [tex]Na_2CO_3[/tex]
[tex]\dfrac{3 \times 2}{1} = 6[/tex]
Now, convert the moles to mass
[tex]6\; mol \times 58.45g /mol = 350.7 g[/tex]
Thus, the theoretical yield produced is 350.7 g.
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Mg(OH)2 + 2HNO3 → Mg(NO3)2 + 2H20
If 375.96 grams of H20 are produced, how many grams of HNO reacted? PLS NO LINKS AND ILL GIVE BRAINLIEST
Answer:
A. 1350
You multiply 18.21HNO3* 1mol MgN2O6 * 148.30MgN2O6
Then divide it by the 2mol HNO3 to get 1350
An oxidizing flame resembles the neutral flame slightly, but has an inner cone that is shorter and more pointed with an almost purple color instead of brilliant white true or false
Answer:
True
Explanation:
The answer to this question is true. The oxidizing flame is a flame which is gotten when oxygen is used excessively. The flame is bluish or almost purple in color. And it makes a hissing sound. The flame from this is shorter than the neutral flame. In the neutral flame there is neither the occurrence of oxidation or reduction.
The picture shows a community living in a dry, grassy area. A few organisms have died off due to lack of a water source. ******Is this an example of an abiotic or biotic limiting factor? WHY
Answer:
brainly blurred the half of the question i cant read it completely
Explanation:
What is the value that is MEASURED in a lab?
Answer:
To use standard laboratory measurement devices to measure length, volume and mass amounts.
what is the ionic equation for dilute hydrochloric acid and magnesium
Answer:
Mg(s) + 2H⁺(aq) ⟶ Mg²⁺(aq) + H₂(g)
Explanation:
A net ionic equation shows all the ionic substances as ions and shows the correct state of each substance.
Magnesium react with hydrochloric acid according to the equation :
Mg(s)+2HCL(aq)----->MgCL2(aq) +H2(g)
This demonstration can be used to illustrate the characteristics reactions of metals with acid , a single replacement reaction ,or to demonstrate the generation of hydrogen gas.