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lys-0071 [83]
3 years ago
15

Can someone help me with this one

Chemistry
1 answer:
jek_recluse [69]3 years ago
4 0

Answer:

Easy my dude let me help you out

A.In

B.27

C.73

D.49

E.56

F.56

G.114

H.180

Also with protons and electrons they equal the same atomic number

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NISA [10]
<h2>receptors belong to the autonomic nervous system !</h2><h2>                   BRAINLIEST PLEASE !</h2>
3 0
3 years ago
HELP ASAP PLS <br> Reactions, products and leftovers
Alenkasestr [34]

Answer:

See the answer below

Explanation:

From the original equation in the image, the mole ratio of C:CO2:CO is 1:1:2. This means that for every 1 mole of C and CO2, 2 moles of CO would be produced.

Now, looking at the simulation below the equation of the reaction, 3 moles of C and 8 moles of CO2 were supplied as input. Applying this to the original equation of reaction, C seems to be a limiting reagent for the reaction because the ratio of C to CO2 should 1:1.

Hence, taking all the 3 moles of C available means that only 3 moles out of the available 8 for CO2 would be needed. 3 moles c and 3 moles CO2 means that 6 moles CO would be produced (remember that the ratio remains 1:1:3 for C, CO2, and CO). This means that 5 moles CO2 would be leftover.

<em>In other words, all the 3 moles C would be consumed, 3 out of 8 moles CO2 would be consumed, and 6 moles CO would be produced while 5 moles CO2 would be leftover. </em>

3 0
3 years ago
A bubble of helium gas has a volume of 0.650 cm3 near the bottom of a large aquarium where the pressure is 1.54 atm and the temp
aleksandrvk [35]

Answer:

1.005 cm³

Explanation:

Using Ideal gas equation for same mole of gas as

\frac {{P_1}\times {V_1}}{T_1}=\frac {{P_2}\times {V_2}}{T_2}

Given ,  

V₁ = 0.650 cm³

V₂ = ?

P₁ = 1.54 atm

P₂ = 1.01 atm

T₁ = 12°C

T₂ = 16 ºC

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15  

So,  

T₁ = (12 + 273.15) K = 285.15 K  

T₂ = (16 + 273.15) K = 289.15 K  

Using above equation as:

\frac {{P_1}\times {V_1}}{T_1}=\frac {{P_2}\times {V_2}}{T_2}

\frac {{1.54}\times {0.650}}{285.15}=\frac {{1.01}\times {V_2}}{289.15}

Solving for V₂ , we get:

<u>V₂ = 1.005 cm³</u>

3 0
3 years ago
which of the following statements about planetary motion is false? a. each planet would move in a straight line without the sun'
Vika [28.1K]
Given the options it would be B.

Planets orbit the sun in a elliptical pattern around the sun, rather than in a circle.

Hope this helps!
7 0
3 years ago
Read 2 more answers
In a neutral solution the concentration of _____. a. hydrogen ions is less than the concentration of hydroxide ions b. water mol
Georgia [21]

Answer:

In a neutral solution the concentration of hydrogen ions is equal to the concentration of hydroxide ions

Explanation:

When:

[H⁺] > [OH⁻]  the pH is acid, so the solution is practically acid.

When

[H⁺] < [OH⁻], the pH is basic, so the solution is practically basic

In neutral solutions:

[H⁺] = [OH⁻], so the pH is neutral (7)

pH > 7 → BASIC SOLUTIONS

pH < 7 → ACID SOLUTION

5 0
3 years ago
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