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alexgriva [62]
3 years ago
8

Define a scientific "Relationship" in your own words​

Chemistry
1 answer:
Ivahew [28]3 years ago
3 0

Answer:

A relationship is a person and their partner commited to each other romantically.

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The physical process of evaporation involves
kogti [31]
The physical process of evaporation involves water and the sun
7 0
3 years ago
Which two elements occur in nature as liquids?
makkiz [27]
The two elements occur in nature as liquids are bromine and mercury. 
7 0
4 years ago
How many moles are dissolved in 1.5 L of a 5.7 M solution?
Scrat [10]

Answer:

8.55 moles

Explanation:

The formula for calculating molarity is moles of solute divided by liters of solution. In this case:

5.7=\frac{x}{1.5}

x=5.7\cdot 1.5=8.55 moles. Hope this helps!

4 0
3 years ago
Read 2 more answers
What is the percent by mass of water in MgSO4 • 7H2O? A. 51.1% B. 195% C. 56.0% D. 21.0%
lbvjy [14]

Answer : The correct option is, (A) 51.1%

Explanation :

Mass percent : It is defined as the mass of the given component present in the total mass of the compound.

Formula used :

\text{Mass} \%H_2O=\frac{\text{Mass of }H_2O}{\text{Mass of }MgSO_4.7H_2O}\times 100

First we have to calculate the mass of H_2O and MgSO_4.7H_2O.

Mass of H_2O = 18 g/mole

Mass of 7H_2O = 7 × 18 g/mole = 126 g/mole

Mass of MgSO_4.7H_2O = 246.47 g/mole

Now put all the given values in the above formula, we get the mass percent of H_2O in MgSO_4.7H_2O.

\text{Mass} \%H_2O=\frac{126g/mole}{246.47g/mole}\times 100=51.1

Therefore, the mass percent of H_2O in MgSO_4.7H_2O is, 51.1%

6 0
3 years ago
Consider the structure of the amino acid alanine. indicate the hybridization about each interior atom.
OLEGan [10]
The structure of Alanine is shown below,
Except the carbon atom of carbonyl group which is Sp² Hybridized, all remaining atoms are Sp³ Hybridized. The hybridization of each element is depicted in a box below,

5 0
3 years ago
Read 2 more answers
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