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mars1129 [50]
3 years ago
5

If 2 or more elements are involved in a chemical reaction, they will most likely form a/an

Chemistry
1 answer:
wlad13 [49]3 years ago
8 0

the correct answer would be mixture because compound uses the same element

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in terms of conductivity and electronegativity, what are the characteristics in Group 2 on the periodic table?
shusha [124]
Group 2 contains soft, silver metals that are less metallic in character than group 1 elements. There is a fairly strong conductivity trend within each row, left to right, and a weaker trend top to bottom. The elements in group 2 are moderately good conductors, while the elements on the right are very poor conductors. <span>As you move vertically between rows, conductivity decreases overall, but slowly.

Group 2 have a generally low electronegativity. Electronegativity decreases moving left and down across the table.</span>
4 0
3 years ago
Write the following numbers in scientific notation: a) 0.0006730 b)50000.0 c)0.000003010 d) 132.40 e)2232​
Firdavs [7]

Answer:

a)6.730×10⁻⁴

b)5×10⁴

c)3.010×10⁻⁶

d)1.3240×10²

e)2.232×10³

3 0
3 years ago
Read 2 more answers
Use the van der Waals equation and the ideal gas equation to calculate the pressure for 1.50 mol He gas in a 1.00 L container at
Tamiku [17]

The difference in pressure is <u>8.98 %.</u>

What is pressure ?

In the physical sciences, pressure is defined as the stress at a point within a confined fluid or the perpendicular force per unit area. A 42-pound box with a bottom area of 84 square inches will impose pressure on a surface equal to the force divided by the area it is applied to, or half a pound per square inch. Atmospheric pressure, which is roughly 15 pounds per square inch at sea level, is the weight of the atmosphere pressing down on each unit area of the Earth's surface. Pascals are used to express pressure in SI units; one pascal is equivalent to one newton per square meter. Almost 100,000 pascals of atmospheric pressure are present.

Learn more about the pressure with the help of the given link:

brainly.com/question/23603188

#SPJ4

3 0
1 year ago
30 mL of 0.25 M acetic acid are titrated with 0.05 M KOH. What is the pH after addition of 75 mL KOH? Group of answer choices
hjlf

Answer:

The PH of the mixture is 4.74

Explanation:

The number of millimoles of acetic acid is calculated using the formula:

No of millimoles= Molarity * Volume( in ml)

= 0.25M * 30ml = 7.5 moles

Number of millimoles of KOH is calculated using:

Number of millimoles = Molarity * Volume ( in ml)

=0.05M * 75ml

= 3.75 moles

The PH of the solution is derived using:

pH = pKa + log [salt] / acid

= -log [ 1.8 * 10^5 ] + log [ 3.75 mmoles/ 3.75 mmoles]

=4.74

5 0
4 years ago
Help please please yes don’t scam
Greeley [361]

Answer:

It is how the plants make food without it they would die.

Explanation:

3 0
3 years ago
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