#1 It must be larger than 9
H -9 = 1
Add nine to both sides
A The solution is a point in the coordinate plane.
The slope of each of these lines is the coefficient of x. The slopes are different, so the lines must intersect in one point. That point is not on either of the x- or y-axes.
The solution set is a point in the coordinate plane.
Since these are equations, the solution set is not a region. It would be a region if these were inequalities.
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Answer : The correct option is, It is basic and has a pH of 5.7.
As we are given the value of pOH is, 8.3
First we have to calculate the pH of the solution.
As we know that, the pH measures the acidity and basicity of the solution.
When the value of pH is less than 7 than the solution will be acidic.
When the value of pH is more than 7 than the solution will be basic.
When the value of pH is equal to 7 than the solution will be neutral.
As per question, the pH value is 8.3 that means the value of pH is greater than 7. Thus, the solution is basic in nature.
Hence, the correct option is, It is basic and has a pH of 5.7.
Which of the following describes why ice floats?
Your answer is B. The density of ice is lower than that of liquid water. Because, As the water cools, the particles slow down and the bonds last longer. These bonds cause the water molecules within ice to form a lattice-like structure that is less dense than liquid water. So, ice floats on the more dense liquid water.
Why is water vital to maintaining a constant internal environment?
Your answer is C. It is good solvent. It is the maintenance of a constant internal despite changes in internal and external conditions. In the human body, this includes control of: blood glucose concentration.
Your answer is A. Its pH is below 7. Because, An acidic solution is one in which the concentration of hydronium ions is greater than that of hydroxide ions. This makes the pH less than 7. An acidic solution is an electrolyte and conducts electricity.
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It is basic and has a pH of 10.9.
It is basic and has a pH of 9.8.
pOH = 4.2
we will determine its pH.
pOH + pH = 14
pH = 14 - pOH
pH = 14 - 4.2
pH = 9.8
According to pH scale the the pH lower than 7 is consider acidic while pH of seven is neutral and pH greater than 7 is basic.
The given solution has pH 9.8 it means it is basic.
Option B- The iterative design process must be followed step by step.
This is true about the designing solutions in science.
The scientific design process is a series of steps that are followed while trying to solve a problem and design a solution for something. It is a methodical approach to problem solving.
The correct answer is It is acidic and had a pH of 5.7
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1. the solution must be l...