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What is Magnesium oxide plus carbonic acid equals?
magnesium bicarbonate
When does a buffer have its greatest buffer capacity?
A buffer has its greatest buffer capacity when the concentrations of the weak acid and its conjugate base are approximately equal. This is because the buffer system can efficiently resist changes in pH when there are similar amounts of the weak acid and conjugate base available to neutralize added acid or base.
If the gain of a non-inverting amplifier equals Rf over Ri plus 1 Then what if Rf equals 0 and Ri equals infinite What is this type of op-amp?
It will have a fixed gain of 1. It is known as a voltage follower or a unity gain buffer.
What does hydrochloric acid plus sodium bicarbonate equals?
Hydrochloric acid (HCl) plus sodium bicarbonate (NaHCO3) will produce water, carbon dioxide gas, and sodium chloride (table salt) when they react. The reaction can be represented by the following equation: HCl + NaHCO3 → H2O + CO2 + NaCl.
Result of mixing sodium bicarbonate and water?
When sodium bicarbonate (baking soda) is mixed with water, it undergoes a chemical reaction to produce carbon dioxide gas, water, and sodium ions. This reaction is commonly used in baking to help dough rise.
What is the equation for the decomposition of H2SO3?
SO2 plus H2O equals H2SO3 which is Sulfurous Acid. CO2 plus H2O equals H2CO3which is Carbonic Acid. It also forms HNO3 which is nitric acid.
How much mustard powder equals one and one half tablespoons of mustard seeds.?
1tablespoon prepared mustard = 1teaspoon of dried mustard
What is the molality of a solution prepared by mixing 25.0 g ethylene glycol FW equals 62.07 C2OHC2OH with 125 g of water?
3.22 M
How many teaspoons in 55 mls of prepared mustard?
11.15 tsp 1 milliliter equals 0.202 US teaspoons. 1 teaspoon is 4.928 milliliters
What would be the pH of a solution when H3PO4 equals H2PO4?
Assuming the Ka= [H+][PO2-]/[PO3-] and that PO3=PO2- then we can safely assume Ka= [H+][PO2-]/[PO2-] and so Ka= [H+][PO2-]/[PO2-] Ka=[H+] since the Ka of Phosphoric acid is equal to 7.5x10-3 then we can take -log(7.5x10-3) to find the pH=2.12
What are the products when you combine baking soda and vinegar?
Baking soda (sodium bicarbonate) + vinegar (acetic acid) ---> These are your reactants. The chemical formula and products that correspond to these substances are: NaHCO3 + CH3COOH ---> NaC2H3O2 + H2CO3 *Note that vinegar isn't simply acetic acid, but is a mix of different compounds. In this chemical reaction (bit difficult to see), the reactants go through what is called a double replacement (essentially the ions switch places). Words: Sodium bicarbonate + acetic acid ---> sodium acetate + carbonic acid In addition to this, carbonic acid will further decompose (break up) further into carbon dioxide and water: NaHCO3 + CH3COOH ---> NaC2H3O2 + H2O + CO2 Words: Sodium bicarbonate + acetic acid ---> sodium acetate + carbon dioxide + water Your products are: Sodium acetate, carbon dioxide, and water. When baking soda and vinegar combine, the most recognizable indication of a chemical change is the bubbles. As you can see from the chemical formula, the bubbles are in fact carbon dioxide. A good way to check that your results are correct (if you have a gas formation), is to use a glowing or flaming splint and expose it to the gas. In this case, the flaming splint would be extinguished because of the carbon dioxide.
What is the two methods of preparing trial balance?
A trial balance may be prepared according to either of the following two methods:Total method:If the total of debit sides of all accounts in the ledger is placed in one column of the list and similarly total of credit sides of all the accounts in the ledger is placed in another column of the list then list of total will be known to have been prepared with the total methods.Balances method:According to this system a trial balance is prepared on the basis of balances of accounts. It is based on the mathematical maxim that if equals are taken away from equals, results are equal. This method is simple and requires less work.
