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2 years ago

Someone pls help me I will make you brain

Chemistry

1 answer:

Yuri [45]2 years ago

5 0

Answer:

the first one

Explanation:

hope this helps

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Pentanitrogen heptachloride formula

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Explanation:

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2 years ago

What changes in color occur when bromine reacts with an alkene

Gala2k [10]

Answer:

Explanation: Bromine, the dark red color disappears quickly as the atoms of bromine bond with the atoms of carbon in the double bond.

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3 years ago

What is the chemical formula for a molecule of salt?

BARSIC [14]

Answer:

Su fórmula molecular es Na Cl y es el producto de la base hidróxido sódico (NaOH) y ácido clorhídrico, H Cl. En general, las sales son compuestos iónicos que forman cristales. Son generalmente solubles en agua, donde se separan los dos iones. Las sales típicas tienen un punto de fusión alto, baja dureza, y baja compresibilidad.

Explanation:

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2 years ago

Use the diagram to determine: How many atoms are on the Right side =___ How many atoms are on the Left side = ____ Is this a Bal

Lady_Fox [76]

Answer:

on the right side two and on left side it is6 yes it is a balanced equation pls mark me as the brainliset hope it helps you

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3 years ago

In which step of a four-stroke engine cycle does the car release CO2, H2O, and CO?

In-s [12.5K]

Answer:

$\boxed{\text{exhaust stroke}}$

Explanation:

The four strokes are

Intake: The mixture of air and fuel enters the cylinder.
Compression: The mixture is compressed by a factor of about 11.
Ignition: A spark ignites the fuel, which burns and produces CO₂, CO, and H₂O.
Exhaust: The combustion products are expelled from the cylinder.

$\text{The cylinder releases CO$_{2}$, CO, and H$_{2}$O during the }\boxed{\textbf{exhaust stroke}}$

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2 years ago