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3 years ago

Based on reference table L, H2O is a stronger acid than

Chemistry

1 answer:

Shalnov [3]3 years ago

7 0

Answer:

HS-

Explanation:

C and D are stronger acids and B is a base.

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A rectangular block has the following dimensions: 3.21 dm, 5.83 cm, and 1.84 in. The block has a mass of 1.94 kg. What is the de

spin [16.1K]

The density of the rectangular block in g/mL is 7.0.

Given the following data:

Mass of block = 22.8 gra1.94 kg

Length of block = 3.21 cm

Width of block = 5.83 cm

Height of block = 1.84 in.

To find the density of the block in g/mL:

First of all, we would determine the volume of the rectangular block by using the following formula:

$Volume = length$ × $width$ × $height$

Conversion:

1 in = 2.54 cm

5.83 in = X cm

Cross-multiplying, we have:

$X = 2.54(5.83)\\\\X = 14.81 \; cm$

$Volume = 3.21$ × $5.83$ × $14.81$

Volume = 277.16 cubic centimeters.

Note: Milliliter (mL) is the same as cubic centimeters.

1000 grams = 1 kg

Y grams = 1.94 kg

Cross-multiplying, we have:

Y = 1940 grams

Now, we can find the density:

$Density = \frac{Mass}{Volume}\\\\Density = \frac{1940}{277.16}$

Density = 7.0 g/mL

Therefore, the density of the rectangular block in g/mL is 7.0.

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2 years ago

When hydrogen is combined with a metal, it has an oxidation number of _____.

solmaris [256]

The answer is c because thats the number when combined with a metal. +1 is when its combined with a nonmetal.

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2 years ago

1. In the models, what particles do the colored and plain sesame seeds represent? What particles do the poppy seeds represent

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Ok the answers to the hole .doc is
1. Neutrons, Protons, and Electrons
2. Nucleus
3. Neutrons and Protons
4. Electrons
5. Because they represent different things (I would put this in your own words)

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nexus9112 [7]

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2 years ago

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