Answers edited by Ryuu

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How do you simplify the expression: $2 \times 7 b$ $2 times 7b$ ?
A rock is dropped from a height of 2.5 meters. What is its velocity when it reaches the ground?
What is the Arrhenius definition of acid?
Why might Ketchup stored in a tin can lead to chemical contamination?
How would you explain all states of matter?
Is $C O_{2}$ $CO_2$ an ionic salt or covalent molecule?
How does heat get from the stove burner into your soup?
What is the domain of $g (x) = 3^{x + 3}$ $g(x) = 3^(x+3)$ ?
How do you simplify $\frac{x^{2} + 9 x + 20}{x^{2} - 2 x - 24}$ $\frac { x ^ { 2} + 9x + 20} { x ^ { 2} - 2x - 24}$ ?
Question #97d35
Given $f (x) = \frac{x^{2}}{x + 2}$ $f(x)= x^2/(x+2)$ how do you find $- f (x)$ $-f(x)$ ?
Question #06afa
At 1 atm and a temperature of 0 celcius which phase of $H_{2} O$ $H_2O$ can exist? Why?
Question #73653
Question #ada03
What gas has 8 protons and 8 neutrons?
What are diamond and graphite in relation to carbon?
How do you solve $0 = {(x - 8)}^{2} - 49$ $0= ( x - 8) ^ { 2} - 49$ ?
How do phase changes occur on a molecular level?
Question #23181
The DNA of humans and gorillas is about 98 percent identical. What does this say about humans and gorillas?
What symbiotic relationships are seen in ecosystems?
Question #8b2ee
What is the equation for the reaction of Barium Nitrate Hydrochloric Acid?
Where is each type of particle located in the atom?
Why are some properties of diamond different from those of graphite?
What is the difference between static friction and sliding friction?
How do you graph $x + 4 y = 12$ $x+4y=12$ by plotting points?
How do you solve $- 5 (- 5 v + 9) - 6 v = 4 (v - 6) - 9$ $-5( - 5v + 9) - 6v = 4( v - 6) - 9$ ?
Question #5492a
Are these pathetic fallacy: "Mist creeps; wet wind blows."?
How do you write 90% as a fraction?
Question #a7c94
What would happen if there were no heterotrophs on earth?
Can I predict if a compound has ionic bonds or covalent bonds? If so, how?
What is the pH of normal rainwater?
The net force on an object is zero if the two forces acting on it in which direction ? 1-opposite direction 2-same direction 3-sometimes opposite and sometimes same direction 4-all of above
What is the chemical formula of sulphur trioxide?
Question #6696a
What is anything that has mass and occupies space?
How do you expand and simplify $(2 x - 3) (3 x + 4)$ $(2x-3) (3x+4)$ ?
How do you solve $\frac{1}{n} = \frac{5}{30}$ $\frac { 1} { n } = \frac { 5} { 30}$ ?
What property of matter does temperature measure?
How do you express 96,470,000 using scientific notation?
How do you determine if a molecule non polar?
$2659 J$ $"2659 J"$ of heat energy are required to heat a substance with a mass of $24.25 g$ $"24.25 g"$ from ${23.7}^{\circ} C$ $"23.7"^@"C"$ to ${163.5}^{\circ} C$ $"163.5"^@"C"$ . What is its specific heat capacity?
How do you know how many lines to draw in a Lewis structure?
How do you simplify $3 \sqrt{8} \cdot 2 \sqrt{7}$ $3sqrt8*2sqrt7$ ?
Question #4e396
What is $25,000 at 8% for 5 years?
When is it possible for velocity to be zero for an object that would be in motion?
How do you calculate the pH of a strong acid or base?
How should one write a good summary?
When the pH of a solution is 12.83, what is [H+]?
How were the elements arranged in Dmitri Mendeleev's periodic table?
Question #58f14
If the pressure on a gas is decreased by one-half, how large will the volume change be?
Question #010fe
Are there more than three states of matter?
How do you write a balanced equation for the combination of magnesium and oxygen to form magnesium oxide, $M g O$ $MgO$ ?
How much energy is required to convert 429 g of water to steam at 156 °C?
Question #4613e
Question #e2dc3
Your mass is 55 kg. You stand on a bathroom scale in an elevator on Earth. What does the scale read when the elevator moves up at a constant speed?
Question #081b1
A tennis player hits a ball vertically with a speed of 10 m/s. How high does it go?
What is the acceleration of a $0.30$ $0.30$ kilogram ball that is hit with a force of $25$ $25$ $N$ $N$ ?
How do you graph $Y = | - 3 x | + 2$ $Y=abs [-3x] + 2$ ?
How is the synthesis of ammonia represented?
How can you tell if a precipitate forms when you mix two solutions?
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