You would have to use the molarity of calcium hydroxide to find the moles of calcium hydroxide. Once you have moles, just convert using mole:mole ratio and find the grams of sodium hydroxide.
Answer:
The reagents needed are Br₂ and FeBr₃
Explanation:
In order to make 3-bromo-5-isopropyltoluene starting with m-isopropyltoluene we need to add Bromine (Br₂) and Iron(III) bromide (FeBr₃).
Please see attached picture for the resulting product, 3-bromo-5-isopropyltoluene.
Answer: hydrogen and carbon
Explanation:
Organic compounds are those compounds that contain carbon bonded to hydrogen.Example: is an organic compound as it contains C-H bond.
Inorganic compounds are those compounds that do not contain carbon or contain carbon not bonded to hydrogen. They might contain other elements such as nitrogen or oxygen. Example:
B. A new gas is observed in the form of bubbles
C. Red and yellow paint mixing to make orange
D. The temperature of the substance remains constant updates
To solve such this we must know the concept of chemical reaction. Therefore, the correct option is option B that is a new gas is observed in the form of bubbles.
Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.
The characteristics of chemical reaction are:
Evolution of a Gas
Change in temperature
Change in color
Formation of Precipitate
The evidence that a chemical reaction has occurred is a new gas is observed in the form of bubbles.
Therefore, the correct option is option B that is a new gas is observed in the form of bubbles.
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Answer:
b
Explanation: i did it and it wasn't c it was b
60 ml of a 0.40 m solution of h2so4 is used to neutralize 0.3 m magnesium hydroxide solution, the volume of NaOH required to neutralize the given amount of Mg(OH)2 is 160 ml.
To answer this question, we need to use the concept of stoichiometry. Stoichiometry is the calculation of the quantities of reactants and products in a chemical reaction. The balanced chemical equation for the neutralization reaction between sulfuricacid (H2SO4) and magnesium hydroxide (Mg(OH)2) is:
H2SO4 + Mg(OH)2 → MgSO4 + 2H2O
From the equation, we can see that one mole of H2SO4 reacts with one mole of Mg(OH)2. Therefore, the number of moles of Mg(OH)2 in 60 ml of 0.3 m solution is:
moles of Mg(OH)2 = concentration x volume = 0.3 x (60/1000) = 0.018 moles
Since one mole of Mg(OH)2 requires one mole of NaOH to neutralize it, we need 0.018 moles of NaOH. The concentration of the NaOH solution is not given, so we cannot directly calculate the volume of NaOH required. However, we can use the concentration and volume of the H2SO4 solution to find the number of moles of H2SO4 used in the neutralization reaction:
moles of H2SO4 = concentration x volume = 0.40 x (60/1000) = 0.024 moles
From the balanced equation, we know that one mole of H2SO4 reacts with two moles of H2O. Therefore, the number of moles of H2O produced in the reaction is:
moles of H2O = 2 x moles of H2SO4 = 0.048 moles
Since the reaction is neutralization, the same number of moles of H2O and H+ ions are produced. Therefore, the number of moles of H+ ions produced is also 0.048 moles. Each mole of NaOH can neutralize one mole of H+ ions. Therefore, the number of moles of NaOH required is:
moles of NaOH = 0.048 moles
If we assume that the concentration of the NaOH solution is also 0.3 m, then the volume of NaOH required is:
volume of NaOH = moles of NaOH / concentration = 0.048 / 0.3 = 0.16 L = 160 ml
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