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3 years ago

Helpppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Chemistry

1 answer:

castortr0y [4]3 years ago

6 0

Answer:

mk, ill try. also im listing them left to right

Explanation:

first row: carbon, oxygen, chlorine, nitrogen

second row: chlorine, glucose, sodium chloride, cobalt

third: hydrogen chloride (i dont know the others and dont want to get them wrong but hope this helped in some sort of way)

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The rate of disappearance of HBr in the gas phase reaction2HBr(g) → H2(g) + Br2(g)is 0.301 M s-1 at 150°C. The rate of appearanc

jok3333 [9.3K]

Answer: 0.151

Explanation:

Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

$2HBr(g)\rightarrow H_2(g)+Br_2(g$

The rate in terms of reactants is given as negative as the concentration of reactants is decreasing with time whereas the rate in terms of products is given as positive as the concentration of products is increasing with time.

$Rate=-\frac{1d[HBr]}{2dt}=+\frac{1d[H_2]}{2dt}=+\frac{1d[Br_2]}{dt}$

Given: $-\frac{d[HBr]}{dt}]=0.301$

Putting in the values we get:

$\frac{0.301}{2}=+\frac{1d[Br_2]}{dt}$

$+\frac{1d[Br_2]}{dt}=0.151$

Thus the rate of appearance of $Br_2$ is 0.151

8 0

3 years ago

Quien inventó la electricidad

makvit [3.9K]

Can you put this in english

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3 years ago

What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL

sveticcg [70]

<span>Well if you're looking for grams, all you need to do is cancel out units. (ml)(g/ml)=g because the ml cancels out. Thus, multiply: (85.32ml)(1.03g/ml)=...I'll let you solve this. :) Good luck! Hope that helped. When in doubt, look at the units.</span>

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3 years ago

Classify the elements as diatomic or monatomic. If necessary, refer to the periodic table to help you identify the diatomic elem

Oksanka [162]

Answer:

Carbon: Monatomic

Helium: Monatomic

Hydrogen: Diatomic

Iodine: Diatomic

Oxygen: Diatomic

Sodium: Monatomic

Explanation:

There you go

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3 years ago

Read 2 more answers

Concentrations-

Arisa [49]

Moles of HCl is 3.47mol

Work shown on photo

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3 years ago