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mixas84 [53]
3 years ago
15

Explain why baking soda is the active ingredient in some antacids (used for upset stomac)?

Chemistry
1 answer:
Kryger [21]3 years ago
4 0
Baking soda acts as a base when exposed to acid in the stomach. This helps people who suffer from indigestion
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Where did the largest tsunami form?<br> O<br> Sumatra<br> Japan<br> Chile<br> Alaska
Juliette [100K]
The answer is FOR SURE Alaska, the other two are incorrect.

Lituya Bay, Alaska, July 9, 1958

Its over 1,700-foot wave was the largest ever recorded for a tsunami.

8 0
3 years ago
What is the specific heat of an unknown metal of 2.93 kcal of energy are required to raise the temperature of 183.4g sample of t
crimeas [40]

Answer:

The specific heat of the unknown metal is 1.26*10⁻⁴ \frac{kcal}{g* C}

Explanation:

Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

Sensible heat occurs when heat added or removed from a substance causes a temperature change in it and is calculated by:

Q = c * m * ΔT

Where Q is the heat exchanged by a body of mass m, constituted by a substance of specific heat c and where ΔT (Tfinal - Tinitial) is the variation in temperature

In this case:

  • Q= 2.93 kcal
  • c= ?
  • m= 183.4 g
  • ΔT= 126.3 °C

Replacing:

2.93 kcal= c* 183.4 g*126.3 °C

Solving:

c=\frac{2.93 kcal}{183.4 g* 126.3 C}

c= 1.26*10⁻⁴ \frac{kcal}{g* C}

<u><em>The specific heat of the unknown metal is 1.26*10⁻⁴ </em></u>\frac{kcal}{g* C}<u><em></em></u>

6 0
4 years ago
What does barium + hydrochloric acid make.
Brums [2.3K]

Answer:

Barium Di-chloride (BaCl^2). H^2 is released as a by-product in the form of a gas.

Explanation:

8 0
3 years ago
Read 2 more answers
A reaction produces 0.809 moles of h2o. how many molecules are produced?
PSYCHO15rus [73]
Use Avogadro's number which is numerically equal to ...

( 6.02 multiply by 10 to the power of negative 23) 


Avocado's number is the number of particle(molecules, ions, atoms)  present in one mole of substance.

number of molecule in 0.809 mole of h20 = ....

one mole of h20 contains (6.02* 10^-23)

0.809 mole contains....(6.02* 10^-23) (0.809)
which is equal to [4.951* 10 ^-23]

if I made no mistake in calculation...it must be correct
3 0
3 years ago
Read 2 more answers
How many moles of water, H2O, contain 2.0×1022 molecules of water? (See the hints for assistance in interpreting scientific nota
hammer [34]
You have to use Avogadro's number which is 6.02x10^23.  The units of Avogadro's number is molecules/mole so you divide the number of molecules by Avogadro's number which will give you the number of moles.
(2.0x10^22 molecules)/(6.02x10^23 molecules/mole)=0.033 moles
5 0
4 years ago
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