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klio [65]
2 years ago
12

Sodium is more reactive than magnesium. true or false

Chemistry
2 answers:
OLga [1]2 years ago
8 0
True. Sodium has a lower electronegativity.
Aleksandr [31]2 years ago
7 0
The Answer would be False.
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How can substance A and B be compared? Choose all that Apply.
77julia77 [94]

I would say the 1.

2. and 4.

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2 years ago
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An excess of hydrogen ions in the body fluids can have disastrous results because
natita [175]

excess hydrogen ions can break chemical bonds

, can change the shape of large complex molecules, rendering them nonfunctional and can disrupt tissue function.

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1 year ago
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How many moles of carbon are<br> in 7.87x10' carbon atoms?
larisa [96]

Answer:

1.306 moles of C

Explanation:

6 0
1 year ago
A hydrogen filled balloon has a bolume of 8.3 L at 36 C and 751 torr. How many moles of hydrogen are inside the balloon?
alina1380 [7]

Answer:

0.33 mol

Explanation:

Given data:

Volume of balloon = 8.3 L

Temperature = 36°C

Pressure = 751 torr

Number of moles of hydrogen = ?

Solution:

Temperature = 36°C (27 +273 = 300 K)

Pressure = 751 torr (751/760= 0.988 atm)

Formula:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

PV  = nRT

0.988 atm × 8.3 L  = n × 0.0821 atm.L/ mol.K  × 300 K

8.2 atm.L = n × 24.63 atm.L/ mol

n = 8.2 atm.L / 24.63 atm.L/ mol

n = 0.33 mol

8 0
1 year ago
Diatomic hydrogen gas and diatomic nitrogen gas react spontaneously to form a gaseous product. Give the balanced chemical equati
alex41 [277]

Answer : NH_{3}

Explanation : When diatomic hydrogen gas and diatomic nitrogen gas reacts spontaneously it forms ammonia gas as the product.

we will have the following reactions; As all the reactants and products are in the gaseous state the subscript (g) is given to the molecules.

H_{2}_{(g)} + N_{2}_{(g)} ----> NH_{3}_{(g)}

But this is not a balanced equation, as on the right side of reactants we have 2 hydrogen atoms and 2 nitrogen atoms which gives the product which has one nitrogen and three hydrogen in the compound state.

So, balancing the equation, we get,

3H_{2}_{(g)} + N_{2}_{(g)} ----> 2NH_{3}_{(g)}

We multiplied 2 with the diatomic hydrogen molecule which resulted in production of 2 moles of ammonia as the product.

So, the complete balanced equation is;

3H_{2}_{(g)} + N_{2}_{(g)} ----> 2NH_{3}_{(g)}

5 0
2 years ago
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