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DaniilM [7]
3 years ago
12

Name one gas that can form when the carbon in coal burns! And describe its harmful effects

Chemistry
1 answer:
nalin [4]3 years ago
4 0
Coal is mainly made of carbon and there’s oxygen in the air so this burns to produce carbon dioxide. Breathing it can really hurt your lungs.
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Question 3 When the population size decreases over time, the total number of births the total number of deaths. O less than O eq
Neporo4naja [7]
The population decreases when the birth rate is less than the death rate.
4 0
2 years ago
The figure below demonstrates what happens to white light when it passes through a prism. Which colors of lights has the highest
Yuri [45]

Answer:

Blues

Explanation:

Colors of Rainbow => ROYGBIV

Red    Orange   Yellow   Green   Blue   Indigo   Violet

low energy  => => => => => => => => => => high energy

low frequency => => => => => => => => =>  high frequency

long wavelengths => => => => => => => => short wavelengths

Note: All L's on the Left => low, low, long; other end are opposites.

7 0
3 years ago
Aballoon is filled with 3.60 L of H2 gas at STP. If the balloon is
AVprozaik [17]

Answer:

the new volume is 1.49 L

Explanation:

stp is 0 degrees C and 1 atm.

you need to use the combined gas law formula and solve for v2

i converted the C to Kelvin

v2=p1(v1)(t2)/p2(t1)

v2=1atm(3.6L)(283.15K)/2.5atm(273.15K)

v2=1.49

5 0
3 years ago
A solution labeled "0.105 M NaOH" would contain ______________ moles of NaOH in each liter of solution.
dem82 [27]

Answer:

A solution labeled "0.105 M NaOH" would contain 0.105 moles of NaOH in each liter of solution.

Explanation:

The concentration of a solution in Molarity (M) stands for the number of moles of that substance contained in 1 L of solution.

Molarity = Concentration in mol/L = (Number of moles of solute) ÷ (Volume of solution in L)

Molarity = Concentration in mol/L = 0.105 M = 0.105 mol/L

Number of moles of solute = ?

Volume of solution in L = 1 L

0.105 = Number of moles of solute × 1

Number of moles of solute = 0.105 mole

Hence, a solution labeled "0.105 M NaOH" would contain 0.105 moles of NaOH in each liter of solution.

Hope this Helps!!!

7 0
3 years ago
I. Complete the chemical reaction to show this. Make sure your equation is balanced. (2 points)
Solnce55 [7]
C6H12O6 + O2 = CO2 + H2O
Balanced Equation:
1 = C6H12O6
6 = O2
6 = CO2
6 = H2O
4 0
2 years ago
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