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GREYUIT [131]
4 years ago
6

Reaction rate depends on how many molecules come into contact with each other with enough energy to react. How would you increas

e the number of molecules that come in contact with each other in a reaction between gases?
A.increase volume
B.increase pressure
C.decrease pressure
D.decrease temperature
Physics
1 answer:
Pachacha [2.7K]4 years ago
4 0
A is the answer ugh i suck at physics


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What is the function of the labeled structures?<br><br> A: <br><br> B: <br><br> C:
poizon [28]

Answer:

A: receives information

B: Carries information away from the cell body

C: Delivers information to the next cell

Explanation:

4 0
3 years ago
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How many mm equal 14m
Fed [463]

Answer:

14000 mm

Explanation:

multiply the length value by 1000

3 0
4 years ago
Que fuerza se obtendrá en el émbolo mayor de una prensa hidraúlica cuya área es de 167 cm2, cuando el émbolo menor de área igual
stiv31 [10]

Responder:

<h2>5.368N, </h2>

Explicación:

Según el principio pascal, establece que la presión aplicada en un punto sobre un líquido en un recipiente cerrado es igual a igual a la presión en cualquier otro punto del líquido.

Matemáticamente Presión ejercida por el pistón más pequeño = Presión ejercida por el pistón más grande.

La presión es la relación entre la fuerza y ​​su área de sección transversal.

P = Fuerza / Área de sección transversal

Sea P1 la presión sobre el pistón más pequeño y P2 la presión ejercida por el pistón más grande.

Como P1 = P2 entonces;

F1 / A1 = F2 / A2

Dado F1 = 450N, A1 = 14 cm², A2 = 167 cm² y F2 =?

Sustituyendo el valor conocido en la fórmula para obtener el requerido, tenemos;

\frac{450}{14} = \frac{F2}{167}\\  \\Cross\ multiplying\\\\14*F_2 = 450*167\\\\14F_2 = 75,150\\\\F_2 = \frac{75,150}{14} \\\\F_2 = 5,367.9N

F_2 \approx 5, 368N

Por lo tanto, la fuerza que se obtendrá en el pistón más grande de una prensa hidráulica cuya área es de 167 cm² es aproximadamente 5,368N,

4 0
4 years ago
What is the reason for converting units?
ELEN [110]

Answer:

Unit conversion is very important because the rest of the world other than three countries uses the metric system. So, converting units is important in science because it uses the metric system. The metric system is measurements like cm, m, l, mL, etc...

Explanation:

Units can: Help to show another person the exact amount you have. Assist in solving a mathematical problem, especially in chemistry, where you can follow the units to get to the answer. Show which measurement system the person is using (i.e. metric or standard)

Hope this helps :)

5 0
3 years ago
A 0.500 kg football is thrown with a speed of 15.0 m/s. A stationary receiver catches the ball and brings it to rest in 0.020 s.
Marizza181 [45]

Answer:

Imp = 7.5\,\frac{kg\cdot m}{s}

Explanation:

Let assume that direction is positive when football travels to the player. The situation can be described properly by applying the definition of Momentum and Impulse Theorem. That is to say:

(0.5\,kg)\cdot (15\,\frac{m}{s}) - F \cdot (0.02\,s) = 0\,kg\cdot \frac{m}{s}

The average force needed to stop is obtained after some algebraic manipulations:

F = 375\,N

The impulse delivered to the ball is:

Imp = (375\,N)\cdot (0.02\,s)

Imp = 7.5\,\frac{kg\cdot m}{s}

3 0
3 years ago
Read 2 more answers
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