Consider the expression. 7.90 × 10–5 x(0.100 + x)? You can solve for x using a technique called successive approximations. Step 1: If you assume that x is very small compared to 0.100, such that 0.100 + x x 0.100, th (call it x1) can be calculated as 7.90 x 10-5 = x1 (0.100)² Calculate the first approximation of x. Express all answers to three or more significant figures. = Ix Step 2: Now, take your first approximation of x and plug it into the full equation. 7.90 × 10-5 = x2 (0.100 + x1)² Calculate the second approximation of x. X2 = Step 3: Each successive approximation uses the value from the previous approximation. 7.90 x 10-5 = x3(0.100 + x2)² Calculate the third approximation of x. X3 =

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Chapter4: Energy And Chemical Reactions
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22.

Consider the expression.
7.90 x 10-5
3D х(0.100 + х)?
You can solve for x using a technique called successive approximations.
Step 1: If you assume that x is very small compared to 0.100, such that 0.100 + x z 0.100, then your first approximation of x
(call it x1) can be calculated as
7.90 x 10-5 = x1 (0.100)?
Calculate the first approximation of x. Express all answers to three or more significant figures.
X1 =
Step 2: Now, take your first approximation of x and plug it into the full equation.
7.90 x 10-5
%3D х2(0.100 + х,)?
Calculate the second approximation of x.
X2 =
Step 3: Each successive approximation uses the value from the previous approximation.
7.90 × 10-5 = x3(0.100 + x2)²
Calculate the third approximation of x.
X3 =
Transcribed Image Text:Consider the expression. 7.90 x 10-5 3D х(0.100 + х)? You can solve for x using a technique called successive approximations. Step 1: If you assume that x is very small compared to 0.100, such that 0.100 + x z 0.100, then your first approximation of x (call it x1) can be calculated as 7.90 x 10-5 = x1 (0.100)? Calculate the first approximation of x. Express all answers to three or more significant figures. X1 = Step 2: Now, take your first approximation of x and plug it into the full equation. 7.90 x 10-5 %3D х2(0.100 + х,)? Calculate the second approximation of x. X2 = Step 3: Each successive approximation uses the value from the previous approximation. 7.90 × 10-5 = x3(0.100 + x2)² Calculate the third approximation of x. X3 =
Step 4: Continue this process until two x values agree within the desired level of precision. Calculate the fourth and fifth
approximations of x.
X4 =
X5 =
Which values are the first to agree to two significant figures?
X3 and x4
X2 and x3
X4 and x5
O x1 and x2
Which values are the first to agree to three significant figures?
x3 and x4
X4 and x5
X1 and x2
X2 and x3
Transcribed Image Text:Step 4: Continue this process until two x values agree within the desired level of precision. Calculate the fourth and fifth approximations of x. X4 = X5 = Which values are the first to agree to two significant figures? X3 and x4 X2 and x3 X4 and x5 O x1 and x2 Which values are the first to agree to three significant figures? x3 and x4 X4 and x5 X1 and x2 X2 and x3
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