Answer:
Double replacement.
Explanation:
In the given reaction, there is not synthesis of compound.
The decomposition reactions are those in which a compound dissociates into simpler molecules or ions.
So the given reaction is not decomposition even.
In single replacement reactions, there is replacement of one group from a compound to other compound or element or ion.
Here two groups are being replaced (sulfate and nitrate) so the given reaction will be classified as double replacement.
Group 16 elements, also known as chalcogens, commonly react with nonmetals to form compounds.
In chemistry, group 16 elements are known as the chalcogens. Chalcogens react with various groups of elements, including metals and nonmetals. However, their reactions with nonmetals are more common.For example, sulfur (group 16) readily reacts with most nonmetals to form compounds. The resulting compounds can vary depending on the specific nonmetal involved. Therefore, the group that would most likely react with group 16 to form a compound is the nonmetals group.
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76 What number of significant figures is used to express the concentration of the KOH (aq)?
77 Complete the equation in your answer booklet for the neutralization reaction that occurs during the titration.
HCl + KOH--> ________________
78 Determine the concentration of the HCl(aq) solution, using the titration data.
79 Describe one laboratory safety procedure that should be used if a drop of the KOH(aq) is spilled on the arm of the student.
The precaution taken when KOH is dropped on the arm of a student is to apply plenty water over the affected area.
The term titration has to do with a reaction between an acid and a base to form salt and water only.
In this reaction, we have; KOH + HCl -----> KCl + H2O. The concentration of KOH was expressed to two significant figures.
The concentration of HCl is obtained from;
0.150 M * 18.5 mL * 1/25.0 mL * 1 = 0.11 M
The precaution taken when KOH is dropped on the arm of a student is to apply plenty water over the affected area.
Learn more about titration:brainly.com/question/8832859
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b. Bohr
c. plum pudding
d. quantum mechanics
The answer is B. Bohr
neutrons )
Answer:
8.46 liters of 0.123 NaOH contains 25.0 grams of NaOH.
Explanation:
Molar is defined as Moles/Liter. 0.123 M means there is 0.123 moles of NaOH per 1 liter. We are asked to determine how many milliliters of this concentration NaOH it would take to deliver 25.0 grams of NaOH.
Use the units to guide the calculation.
Remember that: Concentration x Volume = Moles
(0.123 moles/liter)*(V) = moles
We want 25.0 grams of NaOH. Let's convert that to moles using the molar mass of NaOH:
(25.0 grams NaOH)/(24.0 g/mole) = 1.04 moles NaOH.
Now we can write:
(0.123 moles/liter)*(V) = 1.04 moles NaOH
V = (1.04/0.123) Liters
V = 8.46 liters
Answer:
Charles's law states that V1 / T1 = V2 / T2. However, you must make sure that T is in Kelvin, not C.
1.19E6 / (11 + 273) = V2 / (113 + 273)
V2 = 1.62E6
Explanation:
Gases expand when heated if the container they are in is flexible. When the gas is heated its molecules move faster and faster. The collisions of the gas particles with the flexible container wall expand.