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jekas [21]
2 years ago
13

Henry divides 1.060g by 1.0mlbto find the density of his water sample. How many significant figures should he include in the den

sity value that he reports?
Chemistry
1 answer:
kykrilka [37]2 years ago
3 0
<span>Henry divides 1.060 g by 1.0 mL to find the density of his water sample.
</span>He should include THREE significant figures in the density value that hereports.
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Which of the following elements is the smallest?
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Answer:

Explanation:

The atomic radius of elements are used to estimate the sizes of elements. The atomic radius is taken as half of the inter-nuclear distance between two covalently bonded atoms of non-metallic elements or half of the distance between two nuclei in the solid state of metals.

To solve this problem we will obtain the atomic radius values of the given elements from a standard atomic radius table;

          Si          111 pm

           P          98 pm

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pm = picometer

We see that chlorine has the least atomic radius

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3 years ago
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Answer:

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4 0
2 years ago
In the United States, barometric pressures a re generally reported in inches of mercury (in. Hg). On a beautiful summer day in C
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Answer:

773.43 torr

Explanation:

From the question given above, the following data were obtained:

Pressure (in inHg) = 30.45 inHg

Pressure (in torr) =?

We can convert 30.45 inHg to torr by doing the following:

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7 0
2 years ago
Examine the information.
lyudmila [28]
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Enter the net ionic equation, including phases, for the reaction of AgNO3(aq) with K2SO4(aq). Solubility Rules are found here.
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<span>In ionic equations, the chemicals are written as the ions which are dissolved in water.
 
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2Ag</span>⁺<span>(aq) + NO</span>₃⁻<span>(aq) +2K</span>⁺<span>(aq) + SO</span>₄²⁻<span>(aq) → Ag</span>₂<span>SO</span>₄<span>(s) +2K</span>⁺<span>(aq) + NO</span>₃⁻<span>(aq)
 
K</span>⁺<span>(aq) and NO</span>₃⁻<span>(aq) present in both sides. Hence, we can cut off them to find net ionic equation. So, net ionic equation is
2Ag⁺(aq) + SO₄</span>²⁻<span>(aq) → Ag₂SO₄(s)</span>
4 0
3 years ago
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