Answers
step-by-step explanation
Answer:
c
Explanation:
Related Questions
4 InS03 + 3 RSC2 --> 2 In Sc3+3 RS04
Using the balanced equation, if you had 4.3 moles of InSoz, what volume would RS04 occupy at
STP?
Answers
Answer:
Explanation:
A certain automobile contains 4 tires, 2 headlights, 1 steering wheel,
and 6 spark plugs. How many of each part will be required to build 17 of
these cars?
Answers
Answer:
143 parts I think probably not
Consider the reaction 2CO * O2 —> 2 CO2 what is the percent yield of carbon dioxide (MW= 44g/mol) of the reaction of 10g of carbon monoxide (MW=28g/mol) with the excess O2 produces 10g of carbon dioxide? Answer in units of %
Answers
Answer:
Y = 62.5%
Explanation:
Hello there!
In this case, for the given chemical reaction whereby carbon dioxide is produced in excess oxygen, it is firstly necessary to calculate the theoretical yield of the former throughout the reacted 10 grams of carbon monoxide:
[tex]m_{CO_2}^{theoretical}=10gCO*\frac{1molCO}{28gCO}*\frac{2molCO_2}{2molCO} *\frac{44gCO_2}{1molCO_2}\\\\ m_{CO_2}^{theoretical}=16gCO_2[/tex]
Finally, given the actual yield of the CO2-product, we can calculate the percent yield as shown below:
[tex]Y=\frac{10g}{16g} *100\%\\\\Y=62.5\%[/tex]
Best regards!
the manager of a bookstore uses the equation s = p - 3.5 to find the price a student pays for books
ill mark brainliest
Answers
Answer:
Third one
Explanation:
What is the oxidation number of each nitrogen atom (N) in calcium nitrate (Ca(NO3)2)? (3
points)
+2
+3
+5
+6
Answers
PLEASE HELPPPPPP?????
Answers
Potential energy means all the energy stored up so with that being said it’s the tallest one
Consider the reaction below.
HI + H2O → H30++
Which is an acid-conjugate base pair?
O HI and H20
O H2O and Hž0+
OH30+ and I
O HI and
Answers
Answer:
HI and I-
Explanation:
Hello there!
In this case, according to the acid ionization of hydroiodic acid:
[tex]HI+H_2O\rightarrow I^-+H_3O^+[/tex]
Now, since the acid, HI, results in the conjugate base, I- and the base, H2O in the conjugate acid, H3O+, it is correct to assert that the acid-conjugate base pair is HI and I-
Best regards!
The acid-conjugate base pair in the reaction above is HI and I-. Details about conjugate base can be found below.
What is a conjugate base?A conjugate base is the substance formed when an acid loses or donates its proton or hydrogen ion.
According to this question, the following reaction is given:
HI + H2O → H30+ + I-
The acid in this reaction is HI while the conjugate base is I-.
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Why group the microscopic molecules known to form substances
that we find in the world, such as water and salt?
Answers
Answer:
Explanation:
he gave you a virus, dont click it
PLEASE HELP ASAP
which is a primary consumer?
Picture shown above
Answers
zooplankton cod and krill
An empty beaker weighs 20g and when filled with
Kensene weighs 60g. If the Volume of the kerosene is 15cm2 calculate
the density of the kerosene
Answers
Answer: The density of kerosene is [tex]2.7g/cm^3[/tex]
Explanation:
Density is defined as the mass contained per unit volume.
[tex]Density=\frac{mass}{Volume}[/tex]
Given : Mass of kerosene = mass of beaker with kerosene - mass of empty beaker = 60 g - 20 g = 40 g
Volume of kersone = [tex]15cm^3[/tex]
Putting in the values we get:
[tex]Density=\frac{40g}{15cm^3}[/tex]
[tex]Density=2.7g/cm^3[/tex]
Thus the density of kerosene is [tex]2.7g/cm^3[/tex]
1. Determine los gramos obtenidos de hidróxido de calcio [Ca(OH)2], al reaccionar 12 g de óxido de calcio (CaO) con agua.
Answers
Answer:
15,86 g Ca(OH)₂ ≅ 16 g
Explanation:
La ecuación química balanceada para la reacción entre el óxido de calcio (CaO) y el agua (H₂O) para formar hidróxido de calcio (Ca(OH)₂) es la siguiente:
CaO(s) + H₂O(l) → Ca(OH)₂(ac)
De acuerdo a esta ecuación, 1 mol de Ca(OH)₂ es producida a partir de 1 mol de CaO. Convertimos las moles a gramos utilizando la masa molecular (MM) de cada compuesto:
MM(CaO)= 40 g/mol Ca + 16 g/mol O = 56 g/mol
⇒ 1 mol CaO x 56 g/mol CaO = 56 g CaO
MM(Ca(OH)₂) = 40 g/mol Ca + (2 x 16 g/mol O) + (2 x 1 g/mol H) = 74 g/mol
⇒ 1 mol Ca(OH)₂ x 74 g/mol Ca(OH)₂ = 74 g Ca(OH)₂
Por lo tanto, la relación estequiometrica es:
1 mol Ca(OH)₂/1 mol CaO = 74 g Ca(OH)₂/56 g CaO
Multiplicando la relación estequiométrica por la masa real de CaO (12 g), obtenemos los gramos obtenidos de Ca(OH)₂:
12 g CaO x 74 g Ca(OH)₂/56 g CaO = 15,86 g Ca(OH)₂
a student was investigating the reaction between marble chips and dilute hydrochloric acid
Answers
Answer:
Marble chips react with dilute hydrochloric acid to produce carbon dioxide gas. The rate of this reaction can be changed by changing the size of the marble chips.
Explanation:
Hope it helps u
FOLLOW MY ACCOUNT PLS PLS
2) A bicycle rider is traveling up a hill. When the rider reaches the top of
the hill, she stops to rest. Then she travels down the hill. The diagram
shows the rider in the three different positions. Which of these correctly
describes the potential energy and kinetic energy of the bicycle rider?
Answers
Answer: A: When the rider is at the top of the hill, her potential energy is greatest, and her kinetic energy is the least.
Explanation:
Which of the selections completes the following nuclear reaction?
Answers
Answer:
najsbsbsmnshzhskwjzhhsbsbsbsbzbbsnzn
hsnznzkskzjbxbs
gasjhsjsbabakjahajakqjahsvhwksbxbwhsjkxjsjshshshshshhshshshsjshxhsbsbsbsbhshshdbdbbdbdbdhbsjajshshshsjsksksjsjsjjsbsksshshssgsgsbsbvsgsbsjsksjsjxjxjksksjgshkajahsgshsjsjabavsvshwhsggehsjsjsjdnsjajs
Answer:
uhh the Neutron i guess lol you didn't give any choices or explanation
Explanation:
True/False: Sometimes people have to make modify or make adjustments to the land so that we can use it to farm.
Answers
What volume of water is required to prepare 1.50M solution with 2.55 moles of NaCl?
Answers
Answer:
?
Explanation:
Molarity is the molar concentration of the moles in a solution. The volume of water required for preparing 1.50 M NaCl solution is 1.7 L.
What is volume?Volume is the number of moles of solute present in a molar concentration of a solution.
Molar concentration is given as,
[tex]\rm Molarity (M) = \dfrac{\text{moles of solute}}{\text{litres of solution}}[/tex]
Given,
Molarity of sodium chloride = 1.50 M
Number of moles of sodium chloride = 2.55 mol
Substituting values in the above equation the volume is calculated as:
[tex]\begin{aligned}\rm Volume &=\rm \dfrac{moles}{molarity}\\\\&= \dfrac{2.55}{1.50}\\\\&= 1.7 \;\rm L\end{aligned}[/tex]
Therefore, 1.7 L of water is required.
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Calculate the mass of magnesium chloride you would need to dissolve in 4dm of water to
make a 0.9g/dm solution.
Answers
Question: Calculate the mass of magnesium chloride you would need to dissolve in 4dm³ of water to
make a 0.9g/dm³ solution.
Answer:
3.6 g
Explanation:
From the question,
Density of magnesium (D) = Mass of magnesium (m)/Volume of magnesium(V)
D = m/V............... Equation 1
Make m the subject of the equation
m = D×V............. Equation 2
Given: D = 0.9 g/dm³, v = 4 dm³
Substitute these values into equation 2
m = 0.9×4
m = 3.6 g.
Hence the mass of magnesium is 3.6 g.
PLEASE HURRY I'M TIMED Where does the flow of energy begin in every ecosystem?
the consumers
the producers
the sun
the herbivores
Answers
A student observed pond water through a field microscope. He saw several organisms moving around in the water. His teacher explained that bacteria are too small to be seen with the limited magnification of the field microscope. The unicellular organisms the student observed were most likely from the kingdom -
Answers
Answer:
Kingdom Monera.
Explanation:
The unicellular organisms the student observed were most likely from the Kingdom Monera because in this kingdom, unicellular organisms are included which are prokaryotic in nature. Monera is a Greek word means "single" is a kingdom that contains organisms that are made up of one cell and having a prokaryotic cell means having no nuclear membrane and we know that bacteria is also a unicellular organism and prokaryotic in nature.
What are 2 diseases caused by coronaviruses?
Answers
are insert gases used in fluorescent
Answers
If the pressure of a gas changes, but the number of moles and volume remain constant, which
of the following values must also change?
Answers
Answer:
Pressure
Explanation:
If you hear a weather report say that a low pressure system is coming in, what kind of
weather can you expect?
A
wind
B
polluted air
precipitation
D
heat
Answers
Answer:
It would be A
Explanation:
Answer:
A - wind
Explanation:
A low pressure system is a whirling mass of warm, moist air that generally brings stormy weather with strong winds. When viewed from above, winds spiral into a low-pressure center in a counterclockwise rotation in the Northern Hemisphere.
Humans have altered the composition
of Earth's atmosphere by
A. Making the air pressure drop
B. Making the air temperature drop
C. Polluting it with excess ozone
D. Polluting it with carbon dioxide gas
Answers
The answer is most likely D
In the reaction 4 Sb + 3 O2 --> Sb406, how many moles of antimony are
required to fully react with 8.00 moles of oxygen?
O 5.34 moles
O 10.7 moles
O 6.00 moles
O 12.0 moles
PLEASE HELP!!
Answers
Answer:
1.667 moles of antimony will be produced
Compounds with a ring of resonance bonds are called
Answers
Answer:
they are aromatic compounds
Explanation:
all gotten from benzene
Short Answer/Essay
Note: Your teacher will grade your responses to questions 19 and 20 to ensure you receive proper credit for your answers.
What is global warming? What can people do to reduce global warming?
Answers
Global warming is warming to the earth people can stop littering to help it
Answer:
lol global warming is the gradual increase in the temperature of the earth and its atmosphere. this is do to the greenhouse effect caused by increased levels of carbon dioxide.
Explanation:
common knowledge
_______ have cells that are all dried out.
Answers
Explanation: the answer plant seeds
not skin
What volume of H2S is needed to produce 14.2 L of SO2 gas? The balanced equation is: 2H2S + 3O2 → 2SO2 + 2H2O.
Answers
Answer:
14.2 L H2S
Explanation:
Mole ratio
2 mol H2S:2 mol SO2
We are just looking for volume, so the required amount is the same as the produced amount as long as the mole ratio is balanced.
The balanced equation is: 2H2S + 3O2 → 2SO2 + 2H2O. Mole ratio 2 mol H2S:2 mol SO2.
What is Mole ratio?Two factors can be used to identify stoichiometry problems: the information provided in the problem and he information that needs to be solved for, also known as the unknown.
The given and the unknown might both be reactants, could both be products, or could both be products with one of them acting as a reactant. Mole amounts can be used to express the substance quantities.
However, it is typical in a laboratory setting to calculate a substance's mass in grams to determine how much of it is present. A gaseous substance's volume can be used to express its quantity.
Therefore, The balanced equation is: 2H2S + 3O2 → 2SO2 + 2H2O. Mole ratio 2 mol H2S:2 mol SO2.
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Are mossed and ferns climax community or pioneer species
Answers
Answer:
Pioneer species I believe.
Explanation: