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Natalija [7]
3 years ago
11

Which chemical change causes a cake to rise?

Chemistry
2 answers:
allochka39001 [22]3 years ago
8 0
The production of gas
Lady bird [3.3K]3 years ago
5 0

Answer:

production of a gas

Explanation:

What makes the cake grow is the action caused by yeast. When added in the dough the yeast undergoes a chemical transformation releasing carbon dioxide, for example from the reaction between sodium bicarbonate and monoacid phosphate. It is the carbon dioxide that makes the cake grow, making the dough light and soft. This reaction is favored by heating, so the use of frozen ingredients in the preparation of the dough can harm the end result.

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What is the conjugate base<br> of H2O?
kolbaska11 [484]

Answer:

A conjugate acid, is a species formed by the reception of a proton (H+) by a base—in other words, it is a base with a hydrogen ion added to it.

OH- is the conjugate base of H2O..

6 0
3 years ago
Choices for images
BabaBlast [244]

One

Let's start by stating what we know is wrong. Equilibrium is achieved when the reactants and products have a stable concentration. That makes D incorrect. Equilibrium is not established until about the 6th or 7th second.

The fact that you get any products at all means that the reactants will become products.  Just who is favored has to be looked at very carefully. The products start very near 0. They go up until their concentration at equilibrium. When the reach equilibrium, the products have increased to 17. The reactants have dropped from 40 to 27. By a narrow margin, I would say the products are favored.

C is incorrect. There are still reactants left.  

E is incorrect. the reactants started out with a concentration of 40. The reaction is not instantaneous.  The concentration was highest at 40 or right at the beginning. This assumes that the reactants were mixed and the products were produced and the water/liquid amount has not changed.

B is incorrect. The concentration of the reactants is higher at equilibrium.

A is wrong. It is product favored.

I'm getting none of the above.

Problem Two

AgBr is insoluble (very). You'd have to work very hard to get them to separate into their elemental form. Just putting AgBr in water isn't enough. Lots of heat and lots of electricity are needed to get the elemental form.

I suppose you should pick B. Mass must be preserved. But if you balanced the equation, it would work with heat and electricity.



3 0
3 years ago
Read 2 more answers
Due tonight! Please help!
olchik [2.2K]

Answer:

42.98 g/L

Explanation:

6 0
3 years ago
What is the mole ratio of aluminum to chlorine in the compound aluminum
creativ13 [48]
1:3
The ratio of Al3+ ions to Cl− ions in the chemical formula is 1:3.
I’m sorry if this didn’t help I’m new to Brainly
6 0
3 years ago
If 20.0 mL of a 0.0800 M HNO3, 35.0 mL of a 0.0800 M KSCN, and 40.0 mL of a 0.0800 M Fe(NO3)3 are combined, what is the initial
Tems11 [23]

Answer:

0.0295M

Explanation:

As you can see, in the mixture you have KSCN and other compounds. The KSCN in solution is dissolved in K⁺ ions and SCN⁻ ions. That means initial concentration of SCN⁻ ions is the same of KSCN, 0.0800M.

You are adding 35.0mL of this solution and the total volume of the mixture is 20.0mL + 35.0mL + 40.0mL = 95.0mL.

That means you are diluting your solution 95.0mL / 35.0mL = 2.714 times.

And the concentration of SCN⁻ is:

0.0800M / 2.714 =

<h3>0.0295M </h3>

4 0
3 years ago
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