3 years ago

What is the acceleration of 1 m/s?

2 answers:

8 0

Answer:

Newton es la fuerza que provoca una aceleración de 1 m/s2 en un cuerpo de 1 kg. La segunda ley de Newton establece que la fuerza y la aceleración son directamente proporcionales, pero no hay que olvidar el efecto de la masa.

Explanation:

kati45 [8]3 years ago

4 0

Answer:

One newton

Explanation:

One newton is defined as the amount of force required to give a 1 kg an accelaration

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How did the Bohr model of the atom affect scientific thought?

Vadim26 [7]

Answer:

C. Scientists accepted the model at first but later rejected it.

Explanation:

Scientists accepted the model at first because it explained the hydrogen emission spectrum.

However, with the development of quantum mechanics, scientists had to modify the model (not reject it).

Electrons still had specific energies, but they no longer travelled in fixed orbits.

Instead, electrons had a probability of being found in a given region of space.

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3 years ago

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Examples of pure and impure substances

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Pure- table salt
Impure- vegetable oil

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A compound is found to contain 7.523% phosphorus and 92.48% iodine by weight. what is the empirical formula for this compound?

RUDIKE [14]

The answer is PI3
Ratio of 1:3

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3 years ago

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How many grams of O2 are required for the complete reaction of 45.0g of CH4 to form CO2 and H2O?

Wewaii [24]

Answer: 90 g O2

Explanation: soution attached:

Balance first the chemical equation

CH4 + O2 => CO2 +2H2O

Convert mass of CH4 to moles

Use the mole ratio of CH4 and O2 from the balanced equation.

Convert moles of O2 to mass using the molar mass of O2.

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3 years ago

Explain how you would determine the amount of g in 1.7 mol of Al(OH)2 and give your answer.

krok68 [10]

Answer:

103.7 grams

Explanation:

$Al(OH)_{2}$

Al: 1 * 26.98 = 26.98

O: 2 * 16.00 = 32.00

H: 2 * 1.01 = 2.02

26.98 + 32.00 + 2.02 = 61.00

$\frac{1.7mol}{1}$ * $\frac{61.00g}{1mol}$ = 103.7 grams of $Al(OH)_{2}$

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3 years ago