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Dvinal [7]
2 years ago
7

HELPPP!!! In reaction 2Sr+O2=2SrO how many moles of Oxygen will be needed to react with 36.9g of SrO?

Chemistry
1 answer:
Step2247 [10]2 years ago
6 0

6000 I pretty sure tell me if it's right

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What are some examples of supersaturated solutions? Give 10.​
Phantasy [73]

Examples include carbonated water (i.e. soda water); honey; sugar syrup (used in confectionery); supersaturated drug delivery systems. "SDDS"; and sodium acetate solutions prepared from 160 g NaOAc and 30 mL water.

7 0
3 years ago
diagram 1 above shows equimolar samples of two gases inside a container fitted with a removable barrier placed so that each gas
vampirchik [111]

This problem is describing the state two gases have when separated and together as shown on the attached picture. First of all, diagram 1 shows how they are separated in two containers with apparently equal volumes, whereas diagram 2 shows the removal of the barrier so that they get mixed together.

In this case, we can analyze that each gas has its own pressure and due to the removal of the barrier, both pressure and volume undergo a change. Thus, we can infer that the final volume is doubled with respected to the initial one for each gas, causing the pressure of each gas to be halved and the total pressure the half of the added ones, in agreement to the Boyle's law (inversely proportional relationship between pressure and temperature).

Therefore, the correct choice is:

C. The partial pressure of each gas in the mixture is half its initial pressure; the final total pressure is half the sum of the initial pressures of the two gases.

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8 0
3 years ago
17. En la reacción de zinc con oxígeno, el zinc:
Goshia [24]

Answer:b

Explanation:

5 0
3 years ago
Dawson decided he would be Dawson and play with a flammable gas. He needs to know how many moles of gas it takes to occupy 210 L
Montano1993 [528]

According to ideal gas equation, 0.5186 moles of gas are required to occupy 210 L at a pressure of 5.4 atmospheres and a temperature of 263 K.

<h3>What is ideal gas equation?</h3>

The ideal gas equation is a equation which is applicable in a hypothetical state of an ideal gas.It is a combination of Boyle's law, Charle's law,Avogadro's law and Gay-Lussac's law . It is given as, PV=nRT where R= gas constant whose value is 8.314.The law has several limitations.

Substituting the given values in the given equation, n= 5.4×210/8.314×263=0.5186 moles

Thus there are 0.5186 moles occupying  210 L at a pressure of 5.4 atmospheres and a temperature of 263 K.

Learn more about ideal gas equation,here:

brainly.com/question/28837405

#SPJ1

4 0
1 year ago
MnCl₂ (aq) + (NH₄)₂CO₃ (aq) --&gt; MnCO₃ (s) + 2 NH₄Cl (aq)
LuckyWell [14K]

this equation is balanced.

8 0
3 years ago
Read 2 more answers
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