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maksim [4K]
2 years ago
10

A chemist performs the same tests on two homogeneous white crystalline solids, A and B. The results are shown in the table below

. Solid A Solid B Appearance and Texture Crystalline Crystalling and Powdery Solubility in Water g per 100 mL H2O at 0 0C 35.7 10.5 Conductivity (Yes/No) Good Conductor Okay Conductor The results of these test suggest that: both solids only contain ionic bonds both solids only contain Covalent bonds Solid A contains only Ionic bonds and solid B only contains Covalent bonds Solid A contains only Covalent bonds and solid B contains only Ionic bonds One Solid contains only one type of bond and the other contains both types of bonds Defend your answer:
Chemistry
1 answer:
Nookie1986 [14]2 years ago
7 0

Solid A contains only Covalent bonds and solid B only contains Ionic bonds. I know this because the appearance, solubility, and conductivity of solid A describes Covalent bonds.

Explanation:

Try this, but idk if it will be marked as correct.

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A toy car is placed at 0 on a number line. It moves 9 cm to the left, then 4 cm to the right, and then 6 cm to the left. What is
snow_lady [41]

Answer:

19

Explanation:

The total distance traveled by the toy cay would be 19 cm.

The total distance traveled should not be mistaken for total displacement. While displacement measures the distance and direction from the starting position of the toy car relative to its final position, the total distance traveled is calculated by adding all the movements of the toy car together. Hence;

Total distance traveled = 9 + 4 + 6 = 19 cm

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2 years ago
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Based on the results of this lab, write a short paragraph that summarizes how to distinguish physical changes from chemical chan
Kaylis [27]

Physical changes occur when the properties of a substance are retained and/or the materials can be recovered after the change. Chemical changes involve the formation of a new substance. Formation of a gas, solid, light, or heat are possible evidence of chemical change.

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Exactly 17.0 mL of a H2SO4 solution was required to neutralize 45.0 mL of 0.235 M NaOH. What was the concentration of the H2SO4
aleksandr82 [10.1K]

Answer:

Molarity for the sulfuric acid is 0.622 M

Explanation:

When we neutralize an acid with a base, molarity of both . both volume are the same. The formula is:

M acid . volume of acid = M base . volume of base

M acid = unknown

Volume of acid = 17 mL

Volume of base = 45 mL

M base = 0.235 M

Therefore, we replace:  M acid . 17 mL = 0.235 M . 45 mL

M acid = (0.235 M . 45 mL) / 17 mL

M acid = 0.622 M

6 0
2 years ago
Titanium has five common isotopes: 46Ti (8.0%), 47Ti (7.8%), 48Ti (73.4%), 49Ti (5.5%), 50 Ti (5.3%). What is the average atomic
zhannawk [14.2K]
(46x8.0)+(47x7.8)+(48x73.4)+(49x5.5)+(50x5.3) = 4792.3

4792.3/100 = 47.923 this is the average atomic mass of Titanium
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let me know when u find out plz because i would like to know as well its one of my chemistry qustions in an assiment. :)

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2 years ago
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