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Lesechka [4]
2 years ago
7

A flask contains methane, chlorine, and carbon monoxide gases. The partial pressures of each are 0.215 atm, 50 torr, and 0.826 r

espectively. What is the total pressure in the flask?
Chemistry
1 answer:
Temka [501]2 years ago
7 0

Answer:

1.11 Atm or 1.0168Atm or 841.168 Torr or 841 Torr

Explanation:

we are using Daltons partial pressure is equal to the sum of the partial pressures of the individual gases. you must convert the Torr to Atm

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Fe2O3 + 3H2 --&gt; 2Fe + 3H2O<br><br>Is this right?
lesantik [10]

Answer:

3Fe2O3 + H2 --> 2Fe3O4 + H2O

7 0
2 years ago
The theory of plate tectonics was, at first, rejected by most scientists. Now most geologists accept that tectonic plates exist
Alenkasestr [34]

Answer:

The validation of seafloor spreading in the 1950s and 60s

Explanation:

The theory of seafloor spreading was supported by numerous evidence including thermal probes that showed that heat flow over the mid-ocean ridges measured up to four times those measured in general bottom sediments, which are taken as due to the presence of molten Earth material close to the ridge crest

The ridge crest also show signs unusually seismic wave velocities that are considered to be due to microfracturing and thermal expansion from upwelling magma

4 0
3 years ago
Read 2 more answers
Which shows the conversion of 8.93 × 10-2 grams to milligrams?
Allushta [10]
The prefix milli means thousand so the correct conversion factor is 1000mg/g
4 0
2 years ago
At 20.°C, a 1.2-gram sample of Mg ribbon reacts rapidly with 10.0 milliliters of 1.0 M HCl(aq). Which change in conditions would
Pavlova-9 [17]

Answer: (2) decreasing the concentration of HCl(aq) to 0.1 M

Explanation: Rate of a reaction depends on following factors:

1. Size of the solute particles: If the reactant molecules are present in smaller size, surface of particles and decreasing the size increases the surface area of the solute particles. Hence, increasing the rate of a reaction.  

2. Reactant concentration: The rate of the reaction is directly proportional to the concentration of reactants.

3. Temperature: Increasing the temperature increases the energy of the molecules and thus more molecules can react to give products and rate increases.

(1) Increasing the initial temperature to 25°C will increase the reaction rate.

(2) Decreasing the concentration of HCl(aq) to 0.1 M will decrease the reaction rate due to lesser concentration.

(3) Using 1.2 g of powdered Mg will increase the reaction rate due to large surface area.

(4) Using 2.4 g of Mg ribbon will increase the reaction rate due to high concentration of reactants.

7 0
3 years ago
Read 2 more answers
What is the correct answer ?
AlexFokin [52]

Answer:

Element with 6s subshell

Explanation:

Reactivity of an element depends on the electronic configuration and position of element in the periodic table as reactivity increases as we go down the periodic table.

This is so because number of shell increases as move down the periodic table and the last electron is further away from the nucleus.

Element with 6s subshell is the largest among 3s and 4s subshell and has more number of shells so it will react more than 3s and 4s subshell.

Hence, the correct answer is "Element with 6s subshell".

3 0
3 years ago
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