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3 years ago

A golfer putted a golf ball 4.7 ft across a green. How many inches does this represent?

Chemistry

1 answer:

Sedaia [141]3 years ago

3 0

Answer:

56.4 inches

hope this helps

Explanation: ft to inches conversion

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What is the mass of 4.2 x 10^24 molecules of Ca(OH)2

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In June there are fewer hours of daylight and less direct sunlight in the

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Your answer is Southern Hemisphere.

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The complete combustion of ethanol, c2h5oh(l), to form h2o(g) and co2(g) at constant pressure releases 1235 kj of heat per mole

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Since it was specifically stated that heat is released, therefore heat is located on the right side of the reaction equation. Also stating the states of each compound, the complete balanced reaction would be:

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3 years ago

No amino acid molecule by itself can speed up or catalyze reactions between other molecules; however, when amino acids are joine

Nadya [2.5K]

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How to Balance symbol equations?

Arlecino [84]

$2\; \text{Ca} + \text{O}_2 \to 2\; \text{CaO}$

Try the following steps:

Set the coefficient in front of the species with the greatest number of different atoms to one. In this question consider assigning Calcium Oxide $\text{CaO}$ a coefficient of one for containing two elements.
Deduce, using the rule of atomic conservation, the coefficient in front of other species. The product side of this equation contains one calcium $\text{Ca}$ and one oxygen $\text{O}$ atom, so should the product side. Thus assign calcium $\text{Ca}$ a coefficient of $1$ and oxygen gas a coefficient of $1/2$ - since $1/2 \; \text{O}_2 \times 2 \; \text{O atoms per O}_2 = 1 \; \text{O atom}$ : $1 \; \text{Ca} + 1/2 \; \text{O}_2 \to 1\; \text{CaO}$
In case any of the coefficient contains fractions, multiply all coefficients in the equation with the least common multiple of their denominators to convert the coefficients into whole numbers. In this example, multiple all coefficients by $2$ to deduce the equation shown at the beginning of this answer: $2\; \text{Ca} + \text{O}_2 \to 2\; \text{CaO}$ .

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3 years ago