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Rom4ik [11]
3 years ago
10

Which of the following is an Arrhenius Acid? * 1 point NaOH H2S NH3 H2O

Chemistry
1 answer:
kramer3 years ago
6 0

Answer:

H2O

Explanation:

Water is both an Arrhenius acid and base.

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Calculate the volume of a box, in cubic centimeters, which is 423 cm long, 12 cm wide, and 25 cm high. Report your answer with c
liq [111]

Answer:

130,000 cubic centimeters

Explanation:

The volume of a box is its length multiplied by its width multiplied by its height (lwh). 423 times 12 times 25 is 126,900. When multiplying, the number of significant figures is the same as the number with the least number of significant figures. The correct number of significant figures in this example is 2, so 126,900 would need to round up to 130,000 in order to have 2 significant figures.

4 0
3 years ago
How many liters are equivalent to 12 US gallons?
Ksju [112]

Answer: 45.4249

Explanation:

3 0
4 years ago
Read 2 more answers
After the volatile liquid has been added to the Erlenmeyer flask, the total pressure in the flask equals the vapor pressure of t
mash [69]
Adding a volatile liquid in the Erlenmeyer flask will increase the total pressure inside the flask. This is because inside the flask, there will be two components: the vapor and the liquid. Each of which will exhibit or exert their own pressure. Thus, the answer to this item should be false. 
8 0
3 years ago
What is the mass of a 1.69-l sample of a liquid that has a density of 0.921g/ml?
Molodets [167]

The mass is 1610 g.

Explanation:

<span>D=<span>MV</span></span>, where D is density, M is mass, V is volume

Known/Given
D=0.921 g/mL
<span>V=1.75 L×<span><span>1000mL</span><span>1L</span></span>=1750 mL</span>

Unknown
M

Equation
<span>D=<span>MV</span></span>

Solution
Rearrange the equation to isolate the mass and solve for mass.

<span>M=D×V=0.921g/mL×1750mL=1611.75 g=1610 g</span> with three significant figures.

The following diagram helps to understand how to manipulate the density equation so solve for any of the variables.

The following Density Triangle will help you determine how to solve for any missing variable. Put your finger over the missing variable to see what you need to do to solve for it. For example, if you need to find volume, put your finger over the V, and you get <span>M÷D</span>.

https://www.teacherspayteachers.com/Product/Science-Journal-Density-Triangle-Foldable-Completed-4360...


3 0
4 years ago
The compound Fe2O3 contains how many atoms? <br> A) 2 <br> B) 3 <br> C) 5 <br> D) 7
marishachu [46]
The compound Fe2O3 contains C) 5 total atoms.

This is because there are 2 atoms of Fe (iron) and 3 atoms of O (oxygen) bonded together in this compound, as denoted by the subscripts, and 2+3 = 5.

Hope this helps!
4 0
4 years ago
Read 2 more answers
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