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2 years ago

Give the formula for the compound formed when carbon dioxide reacts with water.

Chemistry

1 answer:

timama [110]2 years ago

6 0

Explanation:

Carbon is a non-metal then carbon dioxide is a non-metal oxide. Non-metal oxides reacts with water to produce acids.

non-metal oxide + water ----> acid

carbon dioxide + water ----> carbonic acid

CO₂ + H₂O ---> H₂CO₃

Answer: H₂CO₃ (H2CO3)

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Endorphins are generated in the body during exercise, which leads to better emotional health. Please select the best answer from

Lostsunrise [7]

Answer: Yes the statement is true.

Explanation: Endorphins are chemicals produced by the human bodies to relieve stress and pain.

They are produced mainly by brain and help to transmit electrical signals within nervous system, thus are called as neurotransmitters.

They are also called as "feel good chemicals" as they can act as pain relievers and happiness booster and thus lead to better emotional health.

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4 years ago

Read 2 more answers

Perform the given operation and report the answer with the appropriate number of significant figures. 4.910 km - 0.08 km = ?

Digiron [165]

Answer:

4.83 km

Explanation:

Let's consider the following subtraction.

4.910 km - 0.08 km

For an addition or a subtraction, the rule for significant figures is as follows: <em>limit the reported answer to the rightmost column that all numbers have significant figures in common</em>, in this case, 2 figures after the decimal point.

4.910 km - 0.08 km = 4.83 km

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3 years ago

PLEASE HELP CHEM BABES I HAVE BEEN CRYING FOR A WHILE NOW

slavikrds [6]

Answer: See below

Explanation:

1. To calculate the mass, you know you can convert by using molar mass. Since mass is in grams, we can use molar mass to convert moles to grams. This calls for the Ideal Gas Law.

Ideal Gas Law: PV=nRT

We manipulate the equation so that we are solving for moles, then convert moles to grams.

n=PV/RT

P= 100 kPa

V= 0.831 L

R= 8.31 kPa*L/mol*K

T= 27°C+273= 300 K

Now that we have our values listed, we can plug in to find moles.

$n=\frac{(100kPa)(0.831L)}{(8.31kPa*l/molK)(300K)}$

$n=0.033mol$

We use the molar mass of NO₂ to find grams.

$0.033mol*\frac{46.005g}{1mol }=1.52 g$

The mass is 1.52 g.

2. To calculate the temperature, we need to use the Ideal Gas Law.

Ideal Gas Law: PV=nRT

We can manipulate the equation so that we are solving for temperature.

T=PV/nR

P= 700.0 kPa

V= 33.2 L

R= 8.31 kPa*L/mol*K

n= 70 mol

Now that we have our values, we can plug in and solve for temperature.

$T=\frac{(700kPa)(33.2L)}{(70mol)(8.31 kPa*L/molK)}$

$T=40K$

The temperature is 40 K.

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3 years ago

Neutrons of an Adam have ____ charges and are located ____ the nucleus.

lyudmila [28]

B) they have no charges and are inside an atom.*

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3 years ago

Scientists excavating at the bottom of the ocean come across fossilized remains of an ancestor of a mountain goat. How can this

galina1969 [7]

There was land on that surface before there was water

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3 years ago