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Vladimir [108]
2 years ago
8

When this equation is correctly balanced using smallest whole numbers, the coefficient of 02 is

Chemistry
1 answer:
ch4aika [34]2 years ago
5 0

Explanation:

H2 + O2 = 2H2O\sf{hey\:} \sf\cancel{mate\:Here\:} \sf\red{is\:ur\:answer}

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A thermometer reads an outside air temperature of 35 °C. What is the temperature in degrees Fahrenheit?
Rasek [7]
To convert take 1.8 * degrees C + 32
1.8 * 35 + 32
63 + 32 = 95 so C
3 0
3 years ago
Read 2 more answers
Which of the following statements is TRUE? A. State functions do not depend on the path taken to arrive at a particular state. B
Serga [27]

Answer:

E. All of the above are true.

Explanation:

<em>Which of the following statements is TRUE?</em>

<em>A. State functions do not depend on the path taken to arrive at a particular state.</em> TRUE. State functions like enthalpy (ΔH) and internal energy (ΔE) do not depend on the trajectory, but on the initial and final state.

<em>B. Energy is neither created nor destroyed, excluding nuclear reactions.</em> TRUE. Only in nuclear reactions can energy (E) can be transformed in matter (m) and vice-versa according to Einstein equation: E = m . c² (c is the speed of light).

<em>C. ΔHrx can be determined using constant pressure calorimetry.</em> TRUE. The enthalpy of reaction is the heat involved at constant pressure.

<em>D. ΔErx can be determined using constant volume calorimetry.</em> TRUE. The internal energy of reaction is the heat involved at constant volume.

6 0
3 years ago
Calculate the number of gams of nitrogen dioxide that are produced from 4 moles of nitric oxide
amm1812

Answer: 184 g of nitrogen dioxide that are produced from 4 moles of nitric oxide

Explanation:

The balanced chemical reaction is:

2NO(g)+O_2(g)\rightarrow 2NO_2(g)  

According to stoichiometry :

2 moles of NO produce = 2 moles of NO_2

Thus 4 moles of NO will require=\frac{2}{2}\times 4=4moles  of NO_2

Mass of NO_2=moles\times {\text {Molar mass}}=4moles\times 46g/mol=184g

Thus 184 g of nitrogen dioxide that are produced from 4 moles of nitric oxide

8 0
3 years ago
SnCL2 is solid while SnCl4 is liquid ...?
Dmitrij [34]
<span>As the oxidation state of a metal increases, its electronegativity increases and the bonds become increasingly covalent. SnCl2 forms a network solid where the atoms are bonded to one another throughout a network of polar covalent bonds. SnCl4 is molecular, and held together by weaker intermolecular forces called London dispersion forces. </span>
8 0
3 years ago
Suppose that from measurements in a microscope you determine that a certain bacterium covers an area of 1.50 pmº Convert
mezya [45]

Answer:

easy

Explanation:

gotta no easy math

3 0
3 years ago
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