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neg. 24 neg. 24
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How many atoms in 4HNO3?
4 hydrogen atoms 4 nitrogen atoms 12 oxygen atoms
Is 4NaCl an molecule or equation?
Since there is no product, and only 1 reactant, it is not an equation, and thus, 4 molecules of sodium chloride
What is the balanced chemical equation of the combustion of decane?
In excess O2. C10H12 + 13O2 => 10CO2 + 6H2O In limited O2: CO, C, CO2 and the equation cannot be balanced.
What is the chemical equation for nitrous acid at Ka 4.5x10-4?
HNO2
What process does the following word equation represent enzymes?
4. respiration
If the quotient of two numbers is 4 and their sum is 20. What are the two numbers?
Let x the first number, y the second number. equation 1: x/y = 4 equation 2: x+y =20 equation 3: manipulate equation 1 ----> x=4y substitute equation 3 to equation 2: 4y+y=20 5y=20 y=20/5 y=4 solve for the value of x by substituting the value of y to equations 1 or 2: using equation 1: x/4=4 x=4*4 x=16 using equation 2: x+4=20 x=20-4 x=16 Therefore, the two (2) numbers are: 4 and 16.
What is the correct equation 20 8 4 4 equals 18?
20 - 4*4/8 = 20 - 16/8 = 20 - 2 = 18
What is the value of x in the equation 4x - 20 equals -4?
4x - 20 = -44x = 16x = 4
X-20=4?
x=24
Which equation has a solution of -20?
10 (-2) 5 (-4)
What is the value of x when y 4 in the equation y 6x - 20?
y=4
Examples of equation of translating verbal equations?
a number times 3 subtracted by 20 is -4 a x 3 - 20= -4
Write the equation of the line that passes through the points 20 and 18 and 35and 6?
Points: (20, 18) and (35, 6) Slope: -4/5 Equation: y = -4/5x+34
What is the value of x in the equation 4x- 20 -4?
Without an equality sign the terms given can't be considered to be an equation
The sum of a number x and 60 is equal to 4 times the number?
If your equation is X+60=4(X) X=20 20+60=4(20) 80=80 Hope this helps.
What is -7x-4 plus 5x equals -20?
It is an equation and the value of x is 8
Cx2 plus 12-4 equals 20 what is c?
2c+(12-4)=20 Simplify the expression in the parentheses first. 2c+8=20 Subtract 8 from both sides of the equation. 2c=12 Divide both sides of the equation by 2. c=6
