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A) Complete the diagram below to show how the product from heating sodium nitrate can be collected in the laboratory. b) Write the equation for the reaction in (a) above. c) State one precaution that should be taken during this experiment.

Chemistry

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Answer

b

2NaNO3(s)→Δ2NaNO2(s)+O2(g)2NaNO_3(s) \xrightarrow{\Delta} 2NaNO_2(s) + O_2(g)

Step-by-step solution

2 steps

Huu hapa ni utatuzi wa maswali yako:

a) Ili kukamilisha mchoro, unahitaji kuonyesha jinsi gesi ya oksijeni inayozalishwa inavyokusanywa. Oksijeni hukusanywa kwa kuhamisha maji chini (downward displacement of water) kwa sababu haina umumunyifu mkubwa katika maji.

Mchoro unapaswa kuongezwa kama ifuatavyo:

  1. Mwisho wa bomba la kutoa (delivery tube) unapaswa kuingizwa kwenye beseni (trough) iliyojaa maji.
  2. Jagi la gesi lililogeuzwa chini (inverted gas jar) au silinda ya kupimia (measuring cylinder) iliyojaa maji inapaswa kuwekwa ndani ya beseni, juu ya mwisho wa bomba la kutoa.
  3. Gesi ya oksijeni itapita kwenye maji na kukusanyika kwenye jagi la gesi, ikisukuma maji chini.

Part b· 2 steps

Mlinganyo wa mmenyuko wa kuongeza joto nitrati ya sodiamu ni

  1. Andika vitendanishi na bidhaa.

    Nitrati ya sodiamu inapokanzwa, hutengana na kutengeneza nitriti ya sodiamu na gesi ya oksijeni.

    NaNO3(s)→ΔNaNO2(s)+O2(g)NaNO_3(s) \xrightarrow{\Delta} NaNO_2(s) + O_2(g)

  2. Sawazisha mlinganyo.

    Ili kusawazisha oksijeni, tunahitaji molekuli mbili za NaNO3NaNO_3 na NaNO2NaNO_2.

    2NaNO3(s)→Δ2NaNO2(s)+O2(g)2NaNO_3(s) \xrightarrow{\Delta} 2NaNO_2(s) + O_2(g)

    Mlinganyo sasa umesawazishwa.

    Mlinganyo uliosawazishwa ni:

    2NaNO3(s)→Δ2NaNO2(s)+O2(g)\boxed{2NaNO_3(s) \xrightarrow{\Delta} 2NaNO_2(s) + O_2(g)}

Part c

Tahadhari moja inayopaswa kuchukuliwa wakati wa jaribio hili ni

Tahadhari:

  • Ondoa bomba la kutoa (delivery tube) kutoka kwenye maji kabla ya kuzima chanzo cha joto ili kuzuia maji kurudi nyuma kwenye bomba la majaribio lenye joto na kulipasua.

Tahadhari moja ni:

  • Ondoa bomba la kutoa kutoka kwenye maji kabla ya kuzima chanzo cha joto.
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