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tresset_1 [31]
3 years ago
10

Sentence for death rate

Chemistry
1 answer:
Sauron [17]3 years ago
5 0
Death rate has been caused by mutliple things in soceity, 254,867 by abortion heart disease 143,385.
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Which atom is most likely involved in the coordination of calcium ions found in hrp?.
Blizzard [7]

Answer:

oxygen

Explanation:

hope this helps

6 0
2 years ago
If a 10.0ml sample of unknown liquid has a mass of 7.553g what is the density of the unknown liquid
Burka [1]

The density of the unknown liquid has a mass of 7.553g is 0.7553 g/ml

<h3>What is density?</h3>

Density is the measurement of how tightly a material is packed together.

Given data:

Weight =7.553g

Volume = 10.0ml

Density =\frac{mass}{volume}

Density =\frac{7.553g}{10.0ml}

Density = 0.7553 g/ml

Hence, the density of the unknown liquid has a mass of 7.553g is 0.7553 g/ml.

Learn more about density here:

brainly.com/question/15164682

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6 0
2 years ago
Which statement is correct about the rate of chemical reactions?
ratelena [41]

Answer:

It increases when a catalyst is added.

Explanation:

The following factors control reaction rates:

1. Nature of reactants

2. Concentration of the reactants or pressure of gaseous

3. Temperature

4. Presence of catalyst

5. Sunlight

The addition of a foreign body to a reaction may influence the speed of the reaction. If a foreign body increases the rate of reaction, it is a called a positive catalyst or simply a catalyst. A negative catalyst is called an inhibitor.

A catalyst is a substance that is introduced into a chemical reaction to change the rate of the reaction without itself being affected at the end of the reaction.

Catalysts helps to reduce reaction time of many slow reactions. Most catalysts are specific in their actions and works on certain reactions or substrates.

Temperature change has a considerable effect on reaction rates since temperature is directly proportional to the average kinetic energy of reacting particles. Generally, reaction rate varies as temperature directly.

8 0
3 years ago
What is the percent lithium in lithium nitrate?
seropon [69]

Answer:

Around 60%

Explanation:

4 0
3 years ago
What would happen if I removed a resistor from a parallel circuit? What would
barxatty [35]

Answer:

In a parallel circuit, current divides through resistors and current might be different depending upon the resistor and all resistors have the same potential difference. Therefore, if a parallel resistor was removed then the total resistance of the circuit will increase.

7 0
2 years ago
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