In the balanced molecular equation for the neutralization of sodium hydroxide with sulfuric acid, the products are:
The balanced molecular equation for the neutralization of sodium hydroxide with sulfuric acid is:
Sodium hydroxide + Sulfuric acid → Sodium sulfate +water
What is the balanced molecular equation?A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products. In other words, the mass and the charge are balanced on both sides of the reaction.
In the given reaction, the reactants have been sulfuric acid and sodium hydroxide. Thus, these are written on the left side of the right arrow. The sodium sulfate and water have been the products and written on the right side of the right arrow.
The balanced molecular equation for the neutralization of sodium hydroxide with sulfuric acid is:
Sodium hydroxide + Sulfuric acid → Sodium sulfate +water
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Which object has the greater impact on the tides
The sun
The moon
Jupiter
Mountain ranges
microwave ovens are in almost every home in America. Where would this sentence fit in the vent diagram?
Answer:
Option D
Explanation:
Discovering microwaves would be pure science. Using them in a constructive way would be applied science.
Na2co3 + ca(no3)2 --> 2nano3 + caco3 if the problem tells you that you have 45 g of sodium carbonate and 35 g of calcium nitrate, a) which is the limiting reagent and b) what is the theoretical amount of calcium carbonate that will precipitate?
Calcium nitrate is the limiting reagent and theoretical yield of calcium carbonate is 21.3 grams.
What is the relation between mass & moles?Relation between the mass and moles of any substance will be represented as:
n = W/M, whereW = given massM = molar massMoles of Na₂CO₃ = 45g / 105.98g/mol = 0.424 mol
Moles of Ca(NO₃)₂ = 35g / 164g/mol = 0.213 mol
From the stoichiometry of the reaction it is clear that:
1 mole of Na₂CO₃ = reacts with 1 mole of Ca(NO₃)₂0.424 mole of Na₂CO₃ = reacts with 0.424 mole of Ca(NO₃)₂It means Ca(NO₃)₂ is the limiting reagents as less moles of this is present in the reaction, so the formation of product is depends on the amount of Ca(NO₃)₂.
Again from the stoichiometry of the reaction, it is clear that:
1 mole of Ca(NO₃)₂ = produces 1 mole of CaCO₃0.213 mole of Ca(NO₃)₂ = produces 0.213 mole of CaCO₃Theoretical mass of CaCO₃ = (0.213mol)(100g/mol) = 21.3g
Hence, required mass of calcium carbonate is 21.3g.
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19. Which organic molecule are steroids an example of?
O Proteins
O Carbohydrates
Nucleic acid
Lipids
lipids
Explanation:
steroids belong to the class of of biochemicals called lipids.
(4.5x10x10x10x10x10)÷(300)
Answer:
Explanation:
4.5x10x10x10x10x10 can be written as 4.5^5, by the way.
The sum of 4.5^5 is 450,000.
450,000 divided by 300 is 1500.
Hope this helps!
Explanation:
4.5×10×10×10×+0×10=4500000
450000÷300
remove zeros
4500÷3
=1500
Help with chem
please write the formula for
nickel(IV) sulfite.
which sequence represents increasing levels of organization in the human body
Answer:
It is convenient to consider the structures of the body in terms of fundamental levels of organization that increase in complexity: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms and biosphere
Explanation:
i hope it help you
Ocean water tends to be a bit more alkaline than freshwater. what could happen if an ocean absorbs a lot of co2 from the atmosphere?
Answer:
However, carbon dioxide dissolved into the ocean causes seawater to acidify, threatening the ability of shellfish and corals to build their skeletons and affecting the health of other fish and marine species—many that are important to coastal economies and food security.
Explanation:
If the collected information showed that the temperature was 10°C and the wind speed was 75 mph, what type of weather would it
probably be outside?
OA. cold and wet
OB. cold and windy
OC. warm and windy
OD. warm and sunny
Answer:
cold and windy
Explanation:
if its 10 degrees outside then it must be cold. then 75 mph that is very windy
List the measurements required to determine the number of moles of NaOH used in a titration. (Remember: measurements do not include calculated values)
Answer:
naoh + hci-> naci+ h20 me x v1 = me x v2
19. A precipitate is expected when an aqueous solution of potassium iodide is added to an aqueous solution of a. Calcium nitrat
The reaction of potassium iodide with silver nitrate results in the formation of silver iodide as a precipitate.
What is a precipitate?A precipitate is given as the solid deposition in the solution. It is formed as the product in the chemical reaction with the insolubility in the solution.
The reaction of KI with silver nitrate results in the formation of soluble potassium nitrate and insoluble silver iodide, which forms as the precipitate.
Thus, the reaction of potassium iodide with silver nitrate results in the formation of silver iodide as a precipitate.
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Which description correctly characterizes the acidity or basicity of a solution?.
The description that correctly describes the acidity or the basicity of a solution is that:
The higher the pH is, the more the hydroxide ion concentration increases and the more basic the solution becomes.
How is the pH determined?The pH of a solution is determined by the strength of the acid and the base pair. Both of these are dependent on the same chemical reaction.
As the pH rises, the the hydroxide ion is increased in concentration and the solution gets to be more basic.
acidity -the amount of H+ ions can be produced by a compound determines the acidity
pH range:less than 7
acidity increase with decrease in pH number
basicity- the amount of OH- ion can be produced by a compound determines basicity
pH range : 8 to 14
7 is neutral
Basicity increases with increase in number.
Therefore the higher the pH is, the more the hydroxide ion concentration increases and the more basic the solution becomes.
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The ka of acetic acid (hc2h3o2) is 1. 8 × 10-5. What is the ph at 25. 0 °c of an aqueous solution that is 0. 100 m in acetic acid?
The pH at 25.0 °c of an aqueous solution that is 0. 100 m in acetic acid is 5.744.
What is ka expression?
The acid dissociation constant is the equilibrium constant of an acid's dissociation reaction.
The ka is given [tex]1. 8 \times 10^-^5[/tex]
From the equation pf ka for weak acid
[tex]\rm H^+ = \sqrt{Ka \times C}[/tex]
Putting the values in the equation
[tex]\rm H^+ = \sqrt{ 1. 8 \times 10^-^5 \times 0.100 } = 0.0000018[/tex]
Now, the [tex]\rm pH = -log[H^+][/tex]
[tex]\rm pH = -log[0.0000018] = 5.744[/tex]
Thus, the pH of acetic acid is 5.744
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Helppppppppppppppppp
Answer:
I think it's B
Explanation:
Brainlest po
Maybe i been learn this before
Vote Bbm and sara on election for the win.
A solution containing hcl would likely have a high ph and a low poh. a low ph and a high poh. a high ph and a high poh. a low ph and a low poh.
The solution has high pH and low pOH when the HCl is present in that solution because of the acidic nature of HCl.
What is the pH of solution containing HCl?A solution containing hcl would likely have a high ph and a low poh because HCl is an acid. We know that acidic solution has high pH and low pOH. So we can conclude that the solution has high pH and low pOH when the HCl is present in that solution because of the acidic nature of HCl.Learn more about pH here: https://brainly.com/question/172153 #SPJ4
Answer:
B. a low pH and a high pOH.
Explanation:
Correct on Edge 2022!!!
Good luck everyone, you got this! Have a great day!
The photograph shows an area where earthquakes have occurred in the past.
How will this location most likely look different after an earthquake?
O A. The lake will drain into the crust of Earth.
OB. One long crack will form and release steam from inside Earth.
OC. The mountain will become a volcano and lava will cover the ground.
O D. The surface of the road will break and cracks will appear in the ground.
Answer:d the surface of the road will break and cracks will appear in the ground :)
Explanation:
Suppose you found an unknown substance in a laboratory. It has the formula H2O2 written on the bottle. Is it water? How do you know?
K12 how the gene works unit test answer
Answer:
genes are small sections of DNA. These genes contain instructions that tell your cells to make molecules called proteins. And the protein do things to your body to keep you healthy. Genes determine traits as well.
A student heated some copper(II) carbonate using this apparatus:
metal
carbonate
limewater
HEAT
(a) Describe and explain what would happen to the limewater (2)
(b) Write a balanced chemical equation, including state symbols,
for the reaction that occurs when copper (II) carbonate is
heated.
Answer:
Below.
Explanation:
a) When limewater is heated it gives off carbon dioxide gas and leaves calcium oxide( CaO).
CaCO3 ----> CaO + CO2
b) When copper II carbonate is heated the equation is:
CuCO3 ---> CuO + CO2.
Please help
a solution of potassium hydroxide (koh) was titrated against a solution of hydrochloric acid. how
many moles of potassium hydroxide would react with 1 mole of hydrochloric acid? (hint: it may help
to write out a balanced symbol equation for the reaction.)
The number of moles of potassium hydroxide that would react with 1 mole of hydrochloric acid will be 1.
Stoichiometric RatioFrom the balanced equation of the reaction as shown below:
[tex]KOH + HCl --- > KCl + H_2O[/tex]
One would see that the stoichiometric mole ratio of [tex]KOH[/tex] to that of [tex]HCl[/tex] is 1:1.
This means that 1 mole of KOH will require 1 mole of HCl for a complete reaction that obeys the law of conservation.
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Ammonia (nh3) chemically reacts with oxygen gas to produce nitric oxide and water. What mass of nitric oxide is produced by the reactin 6. 40 g
Ammonia yields nitric oxide and water in the presence of oxygen. The mass of nitric acid that will be produced from 6.40 gm of oxygen is 4.8 grams.
What is mass?Mass is the product of the moles of the substance and its molar mass. it is given as,
[tex]\rm mass = moles \times molar\; mass[/tex]
The balanced chemical reaction is shown as:
[tex]\rm 4NH_{3} + 5O_{2} \rightarrow 4NO + 6H_{2}O[/tex]
Moles of oxygen are calculated by mass, 6.40 gm as,
[tex]\begin{aligned} \rm moles &= \rm \dfrac{mass}{molar\; mass}\\\\&= \dfrac{6.40}{32}\\\\&= 0.2\;\rm moles \end{aligned}[/tex]
From the reaction, the molar ratio of nitric oxide to oxygen is 4: 5 and is used to calculate the moles of nitric oxide as,
[tex]0.2 \times \dfrac{4}{5} = 0.16[/tex]
0.16 moles and molar mass, 30 of nitric oxide is used to calculate the mass as,
[tex]0.16 \times 30 = 4.8 \;\rm gm[/tex]
Therefore, 4.8 grams of nitric oxide will be produced.
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a real gas is one that
Answer:
A real gas is one that deviates from ideal behavior.
Explanation:
This is due to the effects of gas particles occupying a finite volume.
During which event is more energy produced compared to other days to turn a turbine? el niño a tsunami during a spring tide during a low tide
A spring tide represents a natural process where more energy is produced when compared to other days in order to turn a turbine.
What do renewable energies mean?A renewable energy can be defined as any source of energy that is reversibly obtained from the nature.
A spring tide can be considered a powerful renewable source capable of generating electricity.In conclusion, a spring tide represents a natural process where more energy is produced compared to other days in order to turn a turbine.
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Answer:
C. during a spring tide
Explanation:
:D
Find the equivalent capacitance between b and c. Express your answer in picofarads
The equivalent capacitance between b and c is 9.2 PF.
What is a capacitor?
A capacitor is a device which store electrical energy in an electric field.
A. capacitor c2 and c3 are in parallel
Cbc = C2 + C3
Cbc = 9.8 + 8.0
Cbc = 18 PF
B. When C1 and Cbc are in series
[tex]\rm Cac = \dfrac{C_1 \times C_b_c}{C_1 + C_b_c} = \dfrac{19 \times 18}{19 + 18 } = 9.24\;PF[/tex]
Thus, the equivalent capacitance between b and c is 9.2 PF.
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Nitrogen fixing bacteria are important to all ecosystems because:
Nitrogen fixing bacteria are important to all ecosystems because they make use of atmospheric nitrogen into biological nitrogen.
Which is nitrogen fixing bacteria?The bacteria Azotobacter, Bacillus, Clostridium, and Klebsiella are examples of this class of nitrogen-fixing bacterium.
Many heterotrophic bacteria survive in soil and fix large amounts of nitrogen without interacting with other organisms.
Amino and nucleic acids (including DNA) and proteins, for example, require nitrogen molecules. Using nitrogen-fixing plants such as pulse or clover in agriculture increases the nitrogen content in the fields and consequently the soil fertility.Hence they are important because they convert the atmospheric nitrogen for the biological use.
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What happens when the compound NaCl is formed?
Sodium transfers an electron to chlorine.
Sodium receives two electrons from chlorine.
Sodium forms an ion with −1 charge and chlorine forms an ion with +1 charge.
Sodium forms an ion with +2 charge and chlorine forms an ion with −2 charge.
PLEASE HELP
If you have 1 mole of H₂O how many moles of H2O you have?
Answer:
2 molecules of hydrogen and 1 molecule of oxygen
Explanation:
The question is unclear, but if you are asking how many molecules are in one molecule of water, it is the answer provided above.
present the cell in which the following reaction place
Mg(s) + 2Ag+ (0.0001 M) ----> Mg2+ (0.130M) + 2Ag(s)
calculate its E if E∅ is 3.17 V
[tex]\Huge{\green}\fcolorbox{blue}{cyan}{\bf{\underline{\red{\color{red}Answer}}}}[/tex]
2.96V
Explanation:
[tex] \sf Mg(s) + 2 {Ag}^{ + } (0.0001M) \longrightarrow {Mg}^{2 + } (0.130M) + 2Ag(s) \\ \\ \sf E{ \degree} = 3.17V[/tex]
As per the Nerest equation
[tex] \sf E_{cell} = E_{cell}{ \degree} - \frac{2.303RT}{nF} log \frac{ [M]}{ [{M}^{n + }] } \\ \\ \sf E_{cell} = E_{cell}{ \degree} - \frac{0.0592}{n} log \frac{[M]}{[ {M}^{n + } ]} [/tex]
Here n = 2
at the n depicts the number of electrons
M = Mg as it is neutral after the product
while M+ = Ag2+ as it is positively charge after the product
[tex] \implies \sf E =3.17 - \frac{0.0592}{2} log \frac{[Mg]}{ {[{Ag}^{ + }]}^{2} } \\ \\ \sf \implies E = 3.17 - 0.0292 log[ \frac{0.130}{ {10}^{ - 8} } ] \\ \\ \sf \implies E = 3.17 - 0.0292 log[130 \times {10}^{5} ] \\ \\ \sf \implies E = 3.17 - 0.0292 \times 7.11 \\ \\ \sf \implies E = 3.17 - 0.2076 \\ \\ \sf \boxed {\pink \implies \pink{E = 2.96V}}[/tex]
How much heat must be removed from 456 g of water at 25. 0 c to hcange it into ice at 10 c
The heat required to convert water is given as the product of the mas and the latent heat. 28.34 kJ heat must be removed from the water to change it into ice.
What is heat energy?Heat energy is the product of mass, specific heat capacity, and temperature change. It is given as,
[tex]\rm Q = mc \Delta T[/tex]
Given,
Mass of water = 456 gm
Specific heat capacity = 4.186 J / g K
Temperatutre change = 14.85 K
Substituting values above:
[tex]\begin{aligned} \rm Q &= 456 \times 4.186 \times 14.85\\\\&= 28345.91\;\rm J\\\\&= 28.34\;\rm kJ\end{aligned}[/tex]
Therefore, 28.34 kJ of heat energy should be removed from the water.
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