Answer: 448 g of [tex]O_2[/tex] will be required to completely react with 784g moles of CO(g) during this reaction.
Explanation:
To calculate the moles :
[tex]\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}[/tex]
[tex]\text{Moles of} CO=\frac{784g}{28g/mol}=28moles[/tex]
The balanced chemical equation is:
[tex]2CO(g)+O_2(g)\rightarrow 2CO_2(g)[/tex]
According to stoichiometry :
2 moles of [tex]CO[/tex] require = 1 mole of [tex]O_2[/tex]
Thus 28 moles of [tex]CO[/tex] will require=[tex]\frac{1}{2}\times 28=14moles[/tex] of [tex]O_2[/tex]
Mass of [tex]O_2=moles\times {\text {Molar mass}}=14moles\times 32g/mol=448g[/tex]
Thus 448g of [tex]O_2[/tex] will be required to completely react with 784g moles of CO(g) during this reaction.
Answer:
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Explanation:
do pressure and temputer remain consant in earth interior
Answer:
no
Explanation:
what the correct answer
Answer:
Alkali metals are elements found in group 1 of the Periodic Table. Alkali metals are soft, malleable, ductile, and are good conductors of heat and electricity. They have low melting and boiling points compared to most other metals.
Do your answers to the previous questions satisfy
the following statements?
A) The dependent variable is changed by the
independent variable.
B) The independent variable causes a change
to another variable.
C) The independent variable is not changed by
another variable.
Answer:
I put B&C
Explanation:
What is chemical structure about?
Answer:
chemical structure determines the molecular geometry of ca compound by prtraying the arrangement of atoms and chemical bonds in the molecule..
Explanation:
hope this helps any <3
0.00099989
3 sig figs, scientific notation
What conversion factors
determine the number of
molecules from the mass of a
compound?
Answer: Multiply the mass by the inverse of molar mass, and then multiply by Avogadro's number.
Explanation: Convert the mass to moles, multiply the number of moles by the ratio of the number of atoms or ions to one mole, multiply by Avogadro's number.
ANSWER ASAP Which part of the picture shows evidence of matter scattering light waves in
many different directions?
O A. The color of the tree appears black against the sky.
O B. The image of the moon in the sky is incomplete.
OC. The image of the moon on the water's surface is distorted.
OD. The colors on the water's surface match the colors in the sky.
Answer:
The evidence of matter scattering light wave in many different directions is;
D. The colors on the water's surface match the colors in the sky
Explanation:
Light scattering is used to describe the sending of a given beam of light in many directions (by tiny particles) when the light passes through a medium, due to the disruption of the bath of the light ray as it bumps into the tiny particles
Water has the nature of absorbing the red light. The light that enters the water is scattered by the tiny particles in the water such that the blue light which is the spectrum of light water allows to pass through is reflected along with the reflection of the sky and the colors of the water surface match the colors of the sky.
Answer:
C.
Explanation:
I took the quiz
RODINNIS
COURSES
onal Science
Attempt 1 of 2
Which of the following distinctions are used to identify sedimentary rock? Select all that apply.
o where is was formed
conditions it was formed under
n when it was formed
what it is composed of
how many layers it consists of
NEED HELP ASAP (check the picture)
where it was formed and. conditions it was formed under
The prefix "semi-" means "partly". Based on your knowledge of the properties of elements, which kind of element is most likely used to make semiconductors?
liquids
metalloids
metals
nonmetals
Answer:
metalloids
Explanation:
The kind of element most likely used to make semiconductors are the metalloids.
These elements have properties between those of metals and non-metals in that they are not truly metals and are partly non-metals.
Under certain conditions they show features of metals or non - metals. The class of these elements are the metalloids. They are used to make semiconductors which are major components of electronics.what mass of carbon dioxide is produced from combustion of 100.0 grams of propane (C^3H^8)
Answer:
Mass of CO₂ produced = 299.64 g
Explanation:
Given data:
Mass of CO₂ produced = ?
Mass of propane (C₃H₈) = 100.0 g
Solution:
Chemical equation:
C₃H₈ + 5O₂ → 3CO₂ + 4H₂O
Number of moles of propane:
Number of moles = mass/molar mass
Number of moles = 100.0 g/ 44.1 g/mol
Number of moles = 2.27 mol
Now we will compare the moles of propane and carbon dioxide.
C₃H₈ : CO₂
1 : 3
2.27 : 3/1×2.27 = 6.81 mol
Mass of CO₂:
Mass = number of moles × molar mass
Mass = 6.81 mol × 44 g/mol
Mass = 299.64 g
Explain in a short sentence how you can tell a reaction is a decomposition reaction.
Answer: A decomposition reaction occurs when one reactant breaks down into two or more products.
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What is the charge of the nucleus ? Why ?
Answer:
A nucleus is a positive charge
Explanation:
A nucleus is made up of protons and neutrons. Protons have a positive charge and neutrons have a neutral charge.
Question 4
TRUE or FALSE?
The particles in a solid have NO kinetic energy (they do not move).
True
False
Answer: True
Explanation:
Particles vibrate in place but do not move.
Can anybody help me asap pls
Answer:
Here is ur answer...
Explanation:
2) Half-filled d orbital increases the stability of the element.
What is the density of an object with a mass of 125 g and a volume of 150 mL ?
Answer:
13
Explanation:
234567877
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What are the rows of elements called on the periodic table?
Answer:
"The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups."
Explanation:
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Which layer of Earth is the densest and why is that so?
A: The outer core is densest due to gravitational compression.
B: The outer core is densest due to generation of radiogenic heat.
C: The outer core is densest due to accretion.
C: The inner core is densest due to gravitational compression.
D: The inner core is densest due to generation of radiogenic heat.
Answer:
D
Explanation:
Answer: C: The inner core is densest due to gravitational compression
Explanation:
How many hydrogen atoms Is needed for C4H8 to become saturated
Answer:
2 atoms
Explanation:
Because it contain one double bond
Which is the balanced equation for S8 + O2 → SO2?
S8 + O16 → 8SO2
S8 + O2 → S8 + O2
S8 + O2 → S8O2
S8 + 8O2 → 8SO2
Answer: S8 + O2 → S8O2: not 100% sure
Explanation:
A balanced chemical equation happens when the quantity of the particles is required on the reactants side is equivalent to the quantity is the molecules in the items side.
Why Do Some Things Stop While Others Keep Going?
Answer:because they run out of energy when it is transferred and to other objects, or their kinetic energy
Explanation:
3. What is the best description of an ionic bond?
A. electrostatic force of attraction between positive and negative ions
B. electrostatic force of repulsion between ions of the same charge
C. nuclear force of attraction between protons of different atoms
D. nuclear force of repulsion between protons of different atoms
How many molecules of nitrogen dioxide NO2 are in 1 mole of NO2?
Answer:
The answer is 46.0055. We assume you are converting between grams NO2 and mole. You can view more details on each measurement unit: molecular weight of NO2 or mol This compound is also known as Nitrogen Dioxide.
Explanation:
hope this helps
Calculate the volume, in liters, occupied by 1.80 moles of H2 gas at STP.
Answer:
40.32L
Explanation:
So we know that 22.4 Liters is one mole of a gass so we can set up an equation to test that
1mole 1.8mole
_____ = _____
22.4L x
and then cross multiply so you get 40.32L
Answer:
40.32L
Explanation:
Just did worksheet
The temperature of a city during a week was 35° C, 36°C, 34°C, 38°C, 40°C, 39°C and 44°C. What was the average daily temperature of the town for the week?
Answer:38°
Explanation:
Which of the following compounds is least soluble in water?
1) Copper (II) Chloride
2) Aluminum Acetate
3) Iron (III) hydroxide
4) Potassium Sulfate
Answer:
3) iron (iii) hydroxide
Explanation:
Are assorted jelly beans heterogeneous or homogeneous
Heterogeneous, which means that they are not evenly combined.
why is magneisum a metal
Answer:
Chemical element, metallic, symbol Mg, situated in group IIa in the periodic table, atomic number: 12, atomic weight: 24,312. ... Magnesium is known for a long time as the lighter structural metal in the industry, due to it's low weight and to it's capability of forming mechanically resistant alloys.
it takes a slug 20 minutes to travel from the grass to the trash can a trip of 15 meters. how far could the slug travel in 60 minutes
Answer:
45 meters
Explanation:
Did the math
Iron-containing minerals in rocks may combine with water and air to create rust. This is an example of
A. chemical weathering
B. mechanical weathering
C. abrasion
D. exfoliation
Answer:
A
Explanation:
chemical reaction are those type of reaction that are irreversible and a new substance is being formed therefore when the iron combine with water and air it leads to rusting.
Select the correct answer from each drop-down menu.
Researchers stationed at different areas on a mountain and in a tunnel midway through the mountain boiled water at the same time. Even though the water at every station was at the same temperature, the pot at the top of the mountain started boiling before the others. Why?
Water boils when the vapor pressure is
the atmospheric pressure. The atmospheric pressure
at the top of the mountain.
Water boils when the vapour pressure is least the atmospheric pressure.
The atmospheric pressure is equal at the top of the mountain.
What is atmospheric pressure?The air around you has weight, and it presses against everything it touches. That pressure is called atmospheric pressure, or air pressure. It is the force exerted on a surface by the air above it as gravity pulls it to Earth.
As we go up in altitude the air pressure becomes less. When the pressure decreases, it takes less energy to get the water molecules to escape the surface. So the temperature is less than it would be at sea level.
Air pressure is higher or greater at the bottom of a mountain. This is because the height of the air above that level is thicker than at the top.
Pressure is given by the equation, P=rho*g*h, where rho is the air density, g is the gravity value and h is the thickness of the air layer on top of the level where we are considering the pressure.
Therefore, as we can see, at the bottom of the mountain, the thickness h of air is greater, and so is the pressure.
Hence, water boils when the vapour pressure is least the atmospheric pressure and the atmospheric pressure is equal at the top of the mountain.
Learn more about the atmospheric pressure here:
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