11/20/21

gas stimulation

What two factors does the speed of a molecule depend on? What is the equation that defines pressure? What is creating the force on the sides of the container? On a molecular level, explain two... more
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11/20/21

ΔXYZ is graphed on the coordinate plane using the following vertices: X(2,7) Y(8,7) Z(5,2). Which of the following is the closest to the perimeter of this triangle? *
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11/20/21

Combine the three separate logarithms in the expression into a single logarithm. Write all variables with positive exponents. ( logarithms are in the description).
1/2 ( 13 log (x) + 14 log (y) - 5 log (z) )
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11/20/21

How many ml of concentrated HCL (36% HCL by mass, density= 1.18 g/my) are required to produce 10L of a solution that has a pH of 2.05?
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11/19/21

Geometry Problem
A person is 50 ft away from a helipad and is watching a helicopter land. The angle of observation is changing at 1/15 radians per second. How fast is the helicopter moving when it is 100ft above... more
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11/19/21

Three times the sum of a number and 9
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11/19/21

help with chemistry
Phosphorus pentoxide (P4O10; molar mass = 283.89 g/mol; the common name is derived from the empirical formula) is used to produce phosphoric acid for cola soft drinks. It is prepared by burning... more
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11/19/21

Will someone please help me with these Physics questions.

A bobsled races down an ice track starting from rest at the top of a hill with a vertical height of 150 m. What is its speed at the bottom of the hill?a. 54 m/sb. 83 m/sc. 23 m/sd. 115 m/sFind the... more
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11/19/21

Kevin and Randy have a jar containing 66 coins, all of which are either quarters or nickels. The total value of the coins in the jar is $7.90. How many of each type of coin do they have?
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11/19/21

Classifying Triangles

Two sides of a triangle have the following measures. Find the range of possible measures for the thrid side. 12, 10 12, 7 8, 12 9, 9 10, 9 12, 9 6, 11 11, 12 9, 8 7, 11
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11/19/21

QUICK!!!! TEST SOON AND PANICKING!!!!! NEED EXPERT HELP IMMEDIATELY!!!
During the graphing of slope intercept form, if you have a negative numerator and a positive denominator, does that make the whole slope fraction negative? Or do you still go down the graph 3... more
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11/19/21

I mixed Lysol and Clorox, am I safe?
So I accidentally mixed Lysol and Clorox together, and the mixture turned yellow when moved. Am I safe?
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11/19/21

Write an equation that is parallel to the line 2x - 3y = 9 and passes through the point (4, -1).
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11/18/21

A rectangle has an area of 636 square inches and a width which is five inches more than four times the length.
Find the length and the width of the rectangle.Length:Width:
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11/18/21

If an object accelerates from rest, what will its velocity be after 12.3 s if it has a constant acceleration of 4.6 m/s2?
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11/18/21

What is the mass in grams of oxygen gas that can be produced from 0.600 grams of KO₂?
The following reaction can be used to convert carbon dioxide to oxygen gas. 4 KO₂ (s) + 2 CO₂(g) → 2 K₂CO₃(s) + 3 O₂(g) What is the mass in grams of oxygen gas that can be produced from 0.600 grams... more
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11/18/21

At the start of a trip, a driver adjusts the absolute pressure

At the start of a trip, a driver adjusts the absolute pressure in her tires to be 2.84E+5 Pa when the outdoor temperature is 281 K. At the end of the trip she measures the pressure to be 3.03E+5... more
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11/17/21

Physics and acceleration

An airplane lands and begins to slow down as it moves along the runway. If its mass is 2.80 ✕ 10^5 kg and the net braking force is 3.90 ✕ 10^5 N, what is the airplane’s acceleration?
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