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4 years ago

Review this reaction:

Chemistry

2 answers:

Harman [31]4 years ago

7 0

Na2SO4 and H2O are the products.

Leno4ka [110]3 years ago

5 0

The product of H2SO4 + NaOH is Na2SO4 and H2O

Explanation\

Base react with an acid to form a salt and water

NaOH is a base while H2SO4 is an acid therefore, NaOH react with H2SO4 to form Na2SO4(salt) and H2O according to below reaction

2NaOH +H2SO4 → Na2SO4 +2H2O

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Greenhouse gases make up what percentage of Earth's atmosphere? A. less than 1% B. between 1% and 5% C. between 5% and 20% D. ov

Dmitrij [34]

Hello there, the correct answer is:

C.

3 0

3 years ago

Read 2 more answers

Which of the following describes a base? Select all that apply.

Elanso [62]

I believe your answers are B, tastes bitter, and D, slippery feel. An example would be a bar of soap.

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4 years ago

Read 2 more answers

HELP!

Elza [17]

Answer:

It will be less than 26 °C as water has a relatively higher specific heat than sand.

Explanation:

The specific heat of a substance is the amount of heat energy absorbed by one unit of mass of the substance when its temperature increases one unit.

From that, you can derive the equation for the specific heat of a substance:

specific heat = heat / (mass × ΔT)

Thus, assuming that all the heat provided by the lamp to both samples is the same and, as given, the amount (mass) of both samples is also the same, you have that the specific heat of the samples will be:

specific heat = constant / ΔT

So, specific heat and ΔT are inversely related.

It is known that water has a higher specific heat than sand (that is why the sand on the shore of a beach is, during the day, hotter than the water and your feet get burned when you walk on a sandy beach on a sunny day).

Then, since the specific heat of water is greater than the specific heat of sand, the increase of temperature of water will be lower and, consequently, water will reach a lower final temperature than sand, when equal amounts of water and sand are heated as described in the experiment. This is the second choice: the final temperature of water is less than 26°C as water has a relatively higher specific heat than water.

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3 years ago

Pb(NO3)2 + NH4Cl = PbCl2 + NH4NO3 how do i balance this??

Elden [556K]

Answer:

We have NH 4 and that's called the ammonium ion it also stays together.

Explanation:

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3 years ago

Using the periodic table as a reference, which elements could bond to form a compound most like NaCl?

pychu [463]

step by step

Na(sodium)=2.8.1

Cl (Chlorine)=2.8.7. sodium will give the chlorine the 1 valence electron to become stable ions.

answer

pottasium. (2.8.8.1) and Flourine(2.7)

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3 years ago