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bulgar [2K]
2 years ago
10

Thomas collected the data in Table 1 to answer a statistical question. Which statistical question does the data in Table 1 answe

r?
Chemistry
2 answers:
saw5 [17]2 years ago
8 0

Answer:

how tall each sibling is

Explanation:

bc it says height

Nezavi [6.7K]2 years ago
6 0

Answer:

how tall each sibling is

Explanation:

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Use bond energies to calculate δhrxn for the reaction. n2(g)+3cl2(g)→2ncl3(g)
Jobisdone [24]
ΔHrxn = ΣδΗ(bond breaking) - ΣδΗ(bond making)

Bond enthalpies,
N ≡ N ⇒ 945 kJ mol⁻¹
N - Cl ⇒ 192 kJ mol⁻¹
Cl - Cl⇒ 242 kJ mol⁻¹

According to the balanced equation,
ΣδΗ(bond breaking)  = N ≡ N x 1 + Cl - Cl x 3
                                  = 945 + 3(242)
                                  = 1671 kJ mol⁻¹
ΣδΗ(bond making)    = N - Cl x 3 x 2
                                 = 192 x 6
                                 = 1152 kJ mol⁻¹

δHrxn = ΣδΗ(bond breaking) - ΣδΗ(bond making)
          = 1671 kJ mol⁻¹ - 1152 kJ mol⁻¹
          = 519 kJ mol⁻¹
3 0
3 years ago
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Its common allotropes are red and white
astraxan [27]
The most common allotropes are:-
White phosphorus 
Red phosphorus
The red one is an intermediate phase between white and violent phosphorus. 
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3 years ago
What are some physical properties of metal
bixtya [17]
Physical properties of metal include shiny, ductile, opaque, malleable and good conduction of heat and electricity
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3 years ago
Which cell structure is found in animals, but not in plants?
andrezito [222]

Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.

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2 years ago
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A 100.0 ml sample of 0.18 m hclo4 is titrated with 0.27 m lioh. determine the ph of the solution before the addition of any lioh
snow_lady [41]
Thank you for posting your question here at brainly. Below is the solution:

 <span>moles HClO4 = 0.100 L x 0.18 M = 0.018 
moles LiOH = 0.030 L x 0.27 = 0.0081 
moles H+ in excess = 0.018 - 0.0081 = 0.0099 
total volume = 0.130 L 
[H+] = 0.0099/ 0.130= 0.0762 M 
pH = 1.12</span>
3 0
3 years ago
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