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3 years ago

When vinegar and baking soda are combined what bubbles form

Chemistry

1 answer:

natka813 [3]3 years ago

5 0

The bubbles are Carbon dioxide gas

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This is a picture of a large sheet of ice that moves very slowly across the land. This sheet of ice covers the land and is

Ilya [14]

Answer: I think A

Explanation:

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3 years ago

What is the energy in joules of one photon of microwaveradiation with a wavelength 0.122m?

pentagon [3]

Answer: The energy of photon is $162.93\times 10^{-26}J$

Explanation:

The relation between energy and wavelength of light is given by Planck's equation, which is:

$E=\frac{hc}{\lambda}$

where,

E = energy of the light = ?

h = Planck's constant = $6.626\times 10^{-34}Js$

c = speed of light = $3\times 10^8m/s$

$\lambda$ = wavelength of photon = 0.122 m

Putting values in above equation, we get:

$E=\frac{(6.626\times 10^{-34}Js)\times (3\times 10^8m/s)}{0.122m}\\\\E=162.93\times 10^{-26}J$

Hence, the energy of photon is $162.93\times 10^{-26}J$

3 0

3 years ago

The carbon cycle is closely linked to which process?

ser-zykov [4K]

Answer:

Photosynthesis

Explanation:

Carbon cycle involves the exchange of components between the hydrosphere, biosphere and atmosphere. During carbon cycle, materials such as gases, minerals which are necessary for life are interchange. For example, animals pass out faeces on the soil which is rich in urea. Urea decomposes to provide nitrogen into the soil through bioactive bacterials. The nitrogen is used up by plants to grow. During photosynthesis, plants uses carbon dioxide and water to produce glucose and release oxygen for animals to use. It's like a purification system where one waste product from one organism is used by the other to survive.

Equation of photosynthesis

6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂.

4 0

3 years ago

What is an exotoxin?

Elodia [21]

Exotoxin is a toxin secreted by bacteria. exotoxin can cause damage to the host by destroying cells or disrupting normal cellular metabolism

8 0

3 years ago

A sample of vinegar has a hydronium concentration of 1.6 × 10-3 M. What is the pH of the vinegar?

loris [4]

PH is defined as the negative log of Hydronium Ion concentration.

So, in order to find the pH of vinegar, we find the negative log of its hydronium ion concentration.

$pH=-log[ H_{3}O^{+}] \\ \\ 
pH=-log(1.6 * 10^{-3}) \\ \\ 
pH=2.8$

So, the pH of given vinegar solution will be 2.8.

Therefore, the answer to this question is option B

3 0

3 years ago

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