How are you able to light a bunsen burner

Chemistry

1 answer:

White raven [17]3 years ago

7 0

Answer:

Lighting Bunsen Burner:

Explanation:

Close needle valve and collar. Open gas valve fully. Open needle valve 1/2 turn. Use the spark/lighter to light the flame.

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NaCl + H2O → NaOH + Cl2 + H2 Balance the equation. Choose "blank" if no coefficient is needed. NaCl + H2O → NaOH + Cl2 ++ H2

alexgriva [62]

The balanced equation is:

2NaCl + 2 H2o → 2 NaOH + Cl2 + H2

1- we put 2 NaCl to balance Cl2 on the other side.
2- we put 2 NaOH to balance Na
3- We put 2 H2O to balance H & O on the to sides

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3 years ago

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A photon has a wavelength of 3.8 x 10^-7 meters, what is the energy of this photon?

Korvikt [17]

Energy E = hc / l

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E = 1.986 * 10^-25 / 3.8 * 10^-7 = 5.223*10^-19

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4 years ago

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A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in a spheric

Luba_88 [7]

Complete Question

A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in a spherical air tank that measures 74.0 wide. The biologist estimates she will need 2600 L of air for the dive. Calculate the pressure to which this volume of air must be compressed in order to fit into the air tank. Write your answer in atmospheres. Round your answer to significant digits.

Answer:

The pressure required is $P_2= 12.2 \ atm$