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enot [183]
3 years ago
8

Which of the following are heterogeneous mixtures (not homogeneous mixtures)?

Chemistry
1 answer:
Alexeev081 [22]3 years ago
8 0
Heterogeneous mixtures are not similar throughout. Milk, the cake mix and smoothie are homogeneous mixtures because they have a uniform consistency throughout.

The only answer in this is D) mixed nuts.

Hope this helps! :)
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Write the empirical formula for at least four ionic compounds that could be formed from the following ions:
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Answer:

FeSO_{4},FeCH_{3}CO,Fe_{2}(SO_{4})_{3},Fe_{2}(CH_{3}CO)_{3}

Explanation:

Empirical formula of ionic compound formed by two ions A^{x+} and B^{y-} is A_{y}B_{x} (for x\neq y) of AB (for x = y)

The above empirical formula is in accordance with charge neutrality principle

Here each cation (Fe^{3+} and Fe^{2+}) can form two ionic compounds by combining with two given anions (SO_{4}^{2-} and CH_{3}CO^{2-}).

So the four ionic compounds are: FeSO_{4},FeCH_{3}CO,Fe_{2}(SO_{4})_{3},Fe_{2}(CH_{3}CO)_{3}

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4 years ago
What happened when the P-waves traveled through the planet?
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Answer: It passes through both mantle and core, but are slowed and refracted at the mantle / core boundary at a depth of 2900 km.

Explanation:

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4 years ago
Each polysaccharide tested gives different color results with the iodine test ​
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Iodine (iodine-potassium iodide) staining distinguishes starch ( a polysaccharide) from monosaccharides, a disaccharides and other polysaccharides. Therefore, a bluish black color is a positive test for starch, and a yellow-ish brown color ( no color change) is a negative test for starch.
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3 years ago
What do melted ice cooling lava and boiling water have in common?
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They are all transioning in states of matter
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4 years ago
An upward force acts on a proton as it moves with a speed of 2.0 × 105 meters/second through a magnetic field of 8.5 × 10-2 tesl
mel-nik [20]

Explanation :

It is given that,

Speed of the proton, v=2\times 10^{5}\ m/s

Magnetic field, B=8.5\times 10^{-2}\ T

Magnetic force is given by :

F=q(v\times B)

q is the charge of proton, q=1.6\times 10^{-19}\ C

So,

F=1.6\times 10^{-19}\ C\times 2\times 10^{5}\ m/s\times 8.5\times 10^{-2}\ T

F=2.72\times 10^{-15}\ N

The direction of force is given by using right hand rule. So, the force will act in upward direction.

Hence, the correct option is (a) " 2.72\times 10^{-15}\ N to the north".

3 0
3 years ago
Read 2 more answers
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