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olga2289 [7]
2 years ago
9

Solutions of potassium iodide and lead(II)nitrate are mixed. The resulting lead

Chemistry
1 answer:
LenaWriter [7]2 years ago
6 0
Answer is D
Balance the equation
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A is the answer
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Which of these agreements has goals of peace and shared scientific research?
Jet001 [13]

Option C, Antarctic Treaty System, is the right answer.

The Antarctic Treaty System, control global connections with regard to Antarctica; the only continent of the earth without the native population of human beings. In other words, the ATS is the entire system of adjustments developed for the intention of managing associations among states in the Antarctic. The main goal of the ATS is to guarantee "in the affair of all humankind that Antarctica shall proceed always to be practised completely for peaceful objectives and shall not become the view or gadget of universal disharmony.

8 0
3 years ago
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A) What mass in grams of H20 is needed to react completely with 40.0 g of
Step2247 [10]

Answer:

m_{H_2O}=9.24gH_2O

Explanation:

Hello there!

In this case, since there is a 2:2 mole ratio between sodium peroxide and water according to the given reaction, it is possible to apply the following stoichiometric setup for the calculation of the required mass of water:

m_{H_2O}=40.0gNa_O_2*\frac{1molNa_O_2}{78gNa_O_2}*\frac{2molH_2O}{2molNa_O_2}  *\frac{18.02gH_2O}{1molH_2O} \\\\m_{H_2O}=9.24gH_2O

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7 0
3 years ago
Which kind of food contains lots of carbphydrates? chicken, cheese. potatoes, nuts
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3 years ago
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How many moles of water are produced from 32 grams of methane?
aleksklad [387]

Answer:

4 moles

Explanation:

n_{CH4} = \frac{32}{16} = 2 (moles)

CH4 + 2O2 → CO2 + 2H2O

  1     :    2    :     1    :      2

  2                                         (moles)

⇒ n_{H2O} = 2 × 2 ÷ 1 = 4 (moles)

4 0
2 years ago
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