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max2010maxim [7]
3 years ago
11

Which one of the following is NOT a characteristic of living things. *

Chemistry
1 answer:
Irina-Kira [14]3 years ago
3 0

Answer:

3

Explanation:

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2. Calculate the molarity of a solution if there are 1.5 mol of NaCl in 2.3 L of solution.
rodikova [14]

Answer:

0.65 M

Explanation:

Molarity (M) is the amount of moles of a substance per liter.

In other words, M = moles of substance / liters of solution

Since you're already given the moles of NaCl and the volume of the solution, you can plug those into the equation.

M = moles of NaCl / liters of solution

M = 1.5 mol NaCl / 2.3 L

M = 0.65 mol/L (or 0.65 M)

5 0
3 years ago
2.How many neutrons does an atom of tungsten (W) have when its mass number is 185?​
solniwko [45]

Answer:

110

Explanation:

3 0
3 years ago
When is an isotope considered stable?<br> (Select all that apply.)
GaryK [48]

Explanation:

A stable isotope is one that does not emit radiation, or, if it does its half-life is too long to have been measured. It is believed that the stability of the nucleus of an isotope is determined by the ratio of neutrons to protons.

Hope this helps you out : D

6 0
3 years ago
Consider the formula for glucose: C6H12O6. What does this indicate about the relationship of the reactants to glucose?
stellarik [79]

The correct option is D.

The reactants that combine together to form glucose are carbon dioxide, water and energy from the sun. Six molecules of carbon dioxide combine with six molecules of water in the presence of sunlight to form glucose. The chemical equation for the reaction is given below"

6CO2 + 6H2O + Sunlight = C6H12O6.

6 0
3 years ago
Read 2 more answers
If 81g of water is measured out, how many moles are in the sample? *
valkas [14]

Answer:

D

Explanation:

because moles = mass /mr

so 81/18(mr of H2O=2+16)

moles =4.5

hope this helps:)

7 0
3 years ago
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