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Stels [109]
2 years ago
10

What was johann dobereiner contribution to the periodic table

Chemistry
1 answer:
k0ka [10]2 years ago
3 0

Answer:

he introduced triads of similar chemical properties in periodic table.

Explanation:

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For the reaction represented by the equation 2H2 + O2→ 2H2O, how many grams of water can be produced from 6.0 grams of O2?
leonid [27]

Answer:

a. 6 grams

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2 years ago
What is always formed when a strong acid solution reacts with a strong base solution?
Dafna11 [192]

Answer:

water and salt

Explanation:

A neutralization reaction is when an acid and a base react to form water and a salt and involves the combination of H+ ions and OH- ions to generate water. The neutralization of a strong acid and strong base has a pH equal to 7.

Hope this helps

<u><em>PLS MARK BRAINLIEST</em></u>

7 0
2 years ago
Am i correct?????????????????????????????
AleksandrR [38]

Answer:

yep you are correct.

Explanation:

8 0
3 years ago
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What acid and what base would you choose to prepare the salt potassium perchlorate (kclo4)?
Nonamiya [84]
HClO₄ + KOH → KClO₄ + H₂O

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KOH - potassium hydroxide
8 0
3 years ago
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What is determined by calculating the slope of the position versus time graph distance
Ymorist [56]

Answer:

Determining the Slope on a p-t Graph. It was learned earlier in Lesson 3 that the slope of the line on a position versus time graph is equal to the velocity of the object. ... If the object has a velocity of 0 m/s, then the slope of the line will be 0 m/s. The slope of the line on a position versus time graph tells it all.

Explanation:

#<em>c</em><em>a</em><em>r</em><em>r</em><em>y</em><em>o</em><em>n</em><em>l</em><em>e</em><em>a</em><em>r</em><em>n</em><em>i</em><em>n</em><em>g</em><em> </em>

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2 years ago
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