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3 years ago

What happens when you add vinegar to baking soda

Chemistry

1 answer:

Alex17521 [72]3 years ago

7 0

Answer:

When baking soda is mixed with vinegar, something new is formed. The mixture quickly foams up with carbon dioxide gas. If enough vinegar is used, all of the baking soda can be made to react and disappear into the vinegar solution.

Explanation:

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Calculate number of moles present in 2.3g

Natalija [7]

Explanation:

idk if that's the actual answer but I hope it helps (:

4 0

3 years ago

In a constant-pressure calorimetry experiment, a reaction gives off 22.8 kJ of heat. The calorimeter contains 150 g of water, in

ludmilkaskok [199]

Answer:

The final temperature of water is 56,7 ºC

Explanation:

We need to apply the specific heat capacity formula to solve this.

Q = m . C . ΔT

22,8 kJ = 150 g . 4,186 J/g °C . (Tfinal - 20,4º C)

(We need to convert kJ in J to use the specific heat of water, be careful with units)

22,8 kJ = 22800 J (x1000)

22800 J = 150 g . 4,186 J/g °C . (Tfinal - 20,4º C)

22800 J = 627,9 J/ºC (Tfinal - 20,4º C)

22800 J / 627,9 ºC/ J = (Tfinal - 20,4º C)

36,3ºC = Tfinal - 20,4º C

36,3ºC + 20,4º C = 56,7 ºC

7 0

4 years ago

question if the following elements were involved in a chemical reaction, which one would be most likely to form a cation? respon

Serjik [45]

Fluorine (F) would be least likely to form a cation out of potassium, fluorine, chlorine, and nitrogen.

A cation is a positively charged atom (or molecule) that has lost electrons (or electrons).
The tendency for electropositive elements to lose electrons and produce cations is greater. On the left side of the periodic table, these are often metals.
Going down a group increases electropositivity, or the propensity to lose electrons and generate cations. and decreases across a period. In the given examples:
Potassium, K is an alkali metal and will lose electrons readily to form a cation.
Nitrogen (N), Fluorine (F), and chlorine (Cl) are all nonmetals that prefer to accept electrons and form anions instead. F is the most electronegative i.e. it will gain electrons and form F- rather than F+.

To learn more about cation visit:

brainly.com/question/28710898

#SPJ4

5 0

1 year ago

Magnesium fluoride is used in the ceramics and glass industry. What is the mass of 1.72 mol of magnesium fluoride?

lions [1.4K]

Answer:

107g

Explanation:

Magnesium fluoride (MgF₂) has a molecular mass of:

Mg: 24,305 g/mol × 1 = 24,305 g/mol

F: 18,998 g/mol × 2 = 37,996 g/mol

MgF₂ = 24,305g/mol + 37,996g/mol = 62,301g/mol. That means the mass of 1,72 mol of MgF₂ is:

1,72 mol F₂ × (62,301g / 1mol) = <em>107g</em>

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I hope it helps!

5 0

3 years ago

An atom with 2 protons and 4 neutrons is called?

Ludmilka [50]

Answer:

Its nucleus

Explanation:

also contains two neutrons. Since 2 + 2 = 4, we know that the mass number of the helium atom is 4. Finally, the helium atom also contains two electrons since the number of electrons must equal the number of protons.

3 0

3 years ago

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