Posts by Chidera

Total # Posts: 29

serial dilutions
label 5 tubes 1-5. Ad 1.50 ml of diluent to each tube. to the first tube, add 500 ul of 1.00 M glucose and mix. transfer 500 ul from the first tube to the second tube and mix. similarly, continue to transfer 500l from each of the remaining tubes to the tube that follows it ...

math/ serial dilutions
label 5 tubes 1-5. Ad 1.50 ml of diluent to each tube. to the first tube, add 500 ul of 1.00 M glucose and mix. transfer 500 ul from the first tube to the second tube and mix. similarly, continue to transfer 500l from each of the remaining tubes to the tube that follows it ...

math
You have 10.0 ml of a 5.0% NaCl solution. To this you add 5.00ml of a 2.0% NaCl solution. What is the molarity of NaCl in this final mixture?

Physicis
A mass of gas occupies 20cm at5c and 760mmhg pressure what is its volume at30c and800mmhg pressure .

Agricultural Science
In Three sentence state or explain how weathering is affected by climate

life orientation
no cure

physics
Two objects (53.0 and 16.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.

physics
A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of +11.4 m/s in a time of 29.2 s. The combined mass of the boat and trailer is 443 kg. The frictional force acting on the trailer can be ignored. What is the tension in the hitch ...

physics
A toboggan slides down a hill and has a constant velocity. The angle of the hill is 6.70° with respect to the horizontal. What is the coefficient of kinetic friction between the surface of the hill and the toboggan?

physics
worker stands still on a roof sloped at an angle of 30° above the horizontal. He is prevented from slipping by a static frictional force of 560 N. Find the mass of the worker.

physics
⦁ An arrow is shot with speed 36.0 m/s at an angle of 24.0° above the horizontal. Assuming the archer was on level ground, find the maximum height and the range.

physics
⦁ A ball thrown horizontally at 25 m/s travels a horizontal distance of 50 m before hitting the ground. From what height was the ball thrown?

physics
⦁ A criminal is trying to escape across a rooftop and runs off the roof horizontally at a speed of 4.9 m/s, hoping to land on the roof of an adjacent building. Air resistance is negligible. The horizontal distance between the two buildings is D, and the roof of the ...

Physics
A canoeist is trying to paddle upstream in a river that has a velocity of 6.1 m/s. a) If he can paddle his canoe at a velocity of 6.2 m/s will he make any headway? b)What will be his velocity relative to the shore?

Physics
t= vd t= (2.4 m/s)(52 m) t= ? t= (1.2 m/s)(79 m) t= ? t= (3.4 m/s)(25 m) t= ? Add all your answers or products or something...and that's your answer =)

Physics
A missile is fired and travels at 309 m/s. If the operator discovers that the missile is locked on the wrong target and must be detonated by remote signal before impact, how far will the missile travel if the operator's reaction time to send the signal is 1.21 s?

science
which of the following biomes would receive the most yearly rain? A desert B rainforest C grassland D coniferous forest

Writeacher
Well Mr. Our Teacher taught us abot the lithosphere and the true defintion. I did not copy it. Our teacher is an 8th,6th,and 7th

Math
C=P-R

Maths
you might want to go to google and type in chicago bulls. or blackle or gothle and type in chicago bulls. it might give you ideas

math
13.535

physics
well coeficcent are the numbers with variables close to it.kinetic friction is the moving of the object.so how many kg are in 25 newtons.so what is the 0.90 m to the 1.60 m. so with that wha do you think the answer is?

1st grade
you could help her first on vocabulary and spelling. then you could start getting into stories and you can go to these websites.

Science
Q: do tomato plants grow better with fertilizer Hypothesis: I think if i give the tomatoes fertilizer they will grow taller Contolled Experiment 1. Control group list factors 2. Experimental Independant Variables 3. DATA COLLECTION

Math
What word expression or name is depicted below? NE 14 1O5

Math
Mrs.Sue the squares are not in a horizantol form. like the one in the link. there are 2 squares horizantol and 1 square on top of the 1 of the horizantol squares By Moving Only 2 sticks of these three equal sized squares cna be changed into 4 equal sized rectangles. which 2 ...

Math
By Moving Only 2 sticks of these three equal sized squares cna be changed into 4 equal sized rectangles. which 2 sticks should be moved?

Math
"By Morning only 2 sticks of these 3 equal sized squares can be changed into 4 equal sized rectangles.which 2 sticks shold be moved"

math
you can only use 8, 1, 4, 3, 7. digts only appear once in an answer the product of two 2-digit numbers, plus a number is 3,355 what are the numbers?