What physical state of matter is associated with the strongest attractive forces between particles (molecules, ions, or atoms)?
Answers
The answer is solid.
Solid, physical state of matter is associated with the strongest attractive forces between particles (molecules, ions, or atoms).
Among the other states of matter that is liquid, gas; solid is the one that is having strongest attractive forces between particles (molecules, ions, or atoms).
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Which equation best represents the process of photosynthesis ? A. 6CO2+12H2O-> light+C6H12O6+6O2+6H2O B.6CO2+12H2O+light->C6H12O6+6O2+6H2O C.C6H12O6+6O2+6H2O+light->6CO2+12H2O D.C6H12O6+6O2+6H2O->light+6CO2+12H2O
increases to 100 times the original concentration
decreases to 1/100 of the original concentration
decreases to 1/2 of the original concentration
Answers
Answer: The correct answer is 'increases to 100 times the original concentration'.
Explanation:
let the initial pH be x
The original concentration of initially present be y
...(1)
Final concentration of when pH reduced by 2 be z
...(2)
Putting the value of 'x' from (1) into (2) we get :
When pH of a solution decreases by 2.0, hydronium ion concentration of the solution increases to 100 times the original concentration
Answer:
B, is the answer
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Answers
The minimum energy required to start a reaction is called activation energy (A.E.).
(Option C)
What is activation energy?
Activation energy is the energy barrier that reactant molecules must overcome to transform into products during a chemical reaction.
It is the energy difference between the energy levels of the reactants and the transition state on the reaction's potential energy diagram.
Enthalpy (E1 and E2) and heat of reaction are related to the energy changes during the course of a reaction but are not directly related to the energy barrier required to initiate the reaction.
Enthalpy (H) refers to the total heat content of a system, while heat of reaction (ΔH) represents the energy difference between the products and reactants at constant pressure.
Learn more about activation energy here: brainly.com/question/1380484
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Answer: To find Dave's speed, you can use the formula for speed, which is:
Speed = Distance / Time
In this case, Dave ran 2000 meters in 25 minutes. First, you'll need to convert the time to hours, as speed is typically measured in meters per second or meters per hour. There are 60 minutes in an hour, so:
25 minutes = 25 / 60 = 5/12 hours
Now, you can calculate Dave's speed:
Speed = 2000 meters / (5/12) hours
To divide by a fraction, you can multiply by its reciprocal (flip it):
Speed = 2000 meters / (5/12 hours) = 2000 meters * (12/5) hours
Now, calculate the speed:
Speed = 4800 meters per hour
So, Dave's speed is 4800 meters per hour.
Explanation: hope this helps :D
A. AgCrO4(s) + Na2NO3(aq)
B. Ag2CrO4(s) + NaNO3(aq)
C. Ag(CrO4)2(s) + Na2NO3(aq)
D. Ag(CrO4)3(s) + Na(NO3)2(aq)
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2AgNO3(aq) + Na2CrO4(aq) → Ag2CrO4(s) + 2NaNO3(aq)
The products obtained when 2 AgNO₃ + Na₂CrO₄ reacts is Ag₂CrO₄ + 2 NaNO₃.
What is a Redox Reaction ?
The reaction in which reduction and oxidation takes place simultaneously
by obtaining or losing an electron, the oxidation number of a molecule, atom, or ion varies.
In the question it is given that
AgNO₃(aq) + Na₂CrO₄(aq) → and we have to predict the products
So Silver Nitrate when reacts with Chromic Acid to from silver Chromate and sodium nitrate.
2 AgNO₃ + Na₂CrO₄ → Ag₂CrO₄ + 2 NaNO₃
Therefore Product B is the correct answer.
To know more about Redox Reaction
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ΔT = 26.6ºC
Specific heat of water is 1.0 cal/g °C
Q = m * C * ΔT
5650 = m * 1.0 * 26.6
5650 = m * 26.6
m = 5650 / 26.6
m = 212.4 g
hope thips helps!