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Dmitriy789 [7]
2 years ago
6

7 grams of oxygen gas is reacted with excess C4H8. How many grams of CO2 gas at STP are produced?

Chemistry
1 answer:
ladessa [460]2 years ago
4 0
I think 14 are produced because if you go up by that you get it
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Predict the products of below reaction, and whether the solution at equilibrium will be acidic, basic, or neutral.
kati45 [8]

Answer: The product of the given reaction is HNO_{3} and the solution at equilibrium will be acidic.

Explanation:

When two or more chemical substances react together then it forms new substances and these new substances are called products.

For example, 3N_{2}O_{5} + 3H_{2}O \rightarrow 6HNO_{3}

This shows that nitric acid (HNO_{3}) is the product formed and it is an acidic substance.

Hence, the solution at equilibrium will be acidic in nature.

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3 years ago
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nadya68 [22]

Answer:

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3 0
3 years ago
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The reaction nacl(s) → nacl(aq) is performed in a coffee cup calorimeter, using 100 ml of h2o(l) and 5.00g of nacl. if the tempe
MrRissso [65]

Since the density of water is 1 g /mL, hence there is 100 g of H2O. So total mass is:

m = 100 g + 5 g = 105 g

 

=> The heat of reaction can be calculated using the formula:

δhrxn = m C ΔT

where m is mass, C is heap capacity and ΔT is change in temperature = negative since there is a decrease

 

δhrxn = 105 g * 4.18 J/g°C * (-2.30°C)

δhrxn = -1,009.47 J

 

=> However this is still in units of J, so calculate the number of moles of NaCl.

 

moles NaCl = 5 g / (58.44 g / mol)

moles NaCl = 0.0856 mol

 

=> So the heat of reaction per mole is:

δhrxn = -1,009.47 J / 0.0856 mol

δhrxn = -11,798.69 J/mol = -11.8 kJ/mol

5 0
3 years ago
Which statements correctly describe light (Select all that apply)
egoroff_w [7]

Answer:

The correct answers are C and D.

6 0
2 years ago
What are the layers of the Earth
max2010maxim [7]

<em>Hello! Here is your answer!</em>

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<u><em>Crust, Upper Mantle, Lower Mantle, Outer Core</em></u>

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<em>I hope this helped if it did please mark brainlist!</em>

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4 0
2 years ago
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