Eunice

This page lists questions and answers that were posted by visitors named Eunice.

Questions

The following questions were asked by visitors named Eunice.

Can anyone help me with this questioin pleasee? Describe the orientation and relative energy levels of sp2 and sp3 orbitals with respect to unhyberdized orbitals (1s, 2s, 2px, 2py, 2pz orbitals) 1s and 2s are spherical. 2px, 2py, and 2pz are at 90<sup>o</...

can you please help me unscramble these two spanish words? codraram,and coyenr. thanks!

How many liters of CO2 are in 50 kg of carbon dioxide at STP?

You have a sample of gas in a flask with a volume of 250 mL. At 25.5 degrees Celcius, the pressure of the gas is 300 mm Hg. If you decrease the temperture to -5.0 degrees celcius, what is the gas pressure at this lower temperture?

A gaseous compound has a density of 0.355 g/L at 17 degree celcius and 189 mmHg. What is the molar mass of the compound?

If 12.0g of molecular oxygen, O2, is required to inflate a balloon to a certain size at 27 degree celcius, what mass of molecular oxygen required to inflate it to the same size and pressure at 81 degree celcius?

Iron reacts with hydrochloric acid to produce iron (2) chloride and hydrogen gas.Fe (s)+ 2 HCL (aq) -FeCl2 (aq) + H2 (g).The hydrogen gas from the reaction 2.2g of iron with excess acid is collected in a 10L flask at 25 degrees celcius. What is the pressu...

Two vectors have magnitudes 3.0 and 4.0. How are the directions of the two vectors related given the following conditions? 1) The sum has magnitude 7.0. (a)They both point in the same direction. (b)They each point in opposite directions. (c) They are perp...

(a) How long does it take for a golf ball to fall from rest for a distance of 12.5 m?in seconds (b) How far would the ball fall in twice that time?in meters

Find the entries of the following matrices: (a) the 2 ×2 matrix M for the reflection across the line y = x. (b) the 2 ×2 matrix N for the 90 degree counterclockwise rotation about the origin. (c) the product MN;what transformation does this represent? (d)...

A movie theater charges $7 for adults, $5 for school-age children, and $3 for babies. A group of people went to the theater. There were the same number of school-age children as babies and the number of adults was the same as school-age children and babie...

A wooden plank is inclined at and angle of 23 degrees above the horizontal. A 2.0 kg box attached to a rope is is pulled up the incline. The coefficient of kinetic friction between the box and the wooden plank is 0.15. What does the tension in the rope is...

Find the present value of $9500 in 6 1/2 years if money earns 7.5% compounded continuously.

What is the electric charge on the calcium ion in calcium chloride, CaCl2?

Compare in five ways the similarities and the different between nfsas and other student loans

What is it like to live under a carpet

Why are thesa fossils important discoveries?

I cannot think of an original science project idea. I would really like an original one instead of the online ones which have already have their own procedures and stuff. I would like to do a science project that is has to do with chemistry or computer sc...

Hi, can anyone please propose a science project that has to do with bacteria at a high school level. Any will do.The ones I've looked up online are mostly elementary and I had to search up college level ones..which gave the same results.

Can someone please help me solve this problem? I do not know how to do it. 2x(squared)+3x+1. And 3ay(squared)+9a?

A stone propelled from a catapult with a speed of 59meter per seconds attain a height of 100 meter calculate a. the time of flight b. the angle of the projection c. the range attain

Question: If A= 29 degrees and a= 4.6, find c. There is a diagram shown in the textbook. b is adjacent, c is the hypotenuse, and a is opposite. I know I'm suppose to use SOH CAH TOA, and i tried using tan, but Im not getting the correct answer. i looked i...

A light weightless bar is provided at it centre and weight of 5n and 10n placed 3m and 2m, respectively from the pivot on one side are balanced by weight 20n weight on the other side how far in the 20n weight from the pivot.

In a primary school 70% of the boys and 55% of girls can ride a bicycle if a boy and a girl are chosen at random what is the probability that both of them can ride a bicycle. That neither of them can ride a bicycle?

The 2nd and 5th terms of a g.p are-6 and 48,repectively.find the first four term.

In a class of 100 students,37 study maths,32 study physics 31 study chemistry,9 study maths and physics 12 study maths and chemistry,11 study physics and chemistry,28 study none of these. Illustrate the information in a Venn diagram

Find the resultant of two Vectors of 3units and 4units acting at a point O at an angle of 45deg with each other using analytical method b distinguish between resolution of vector and components of a vector

A body starts from rest and accelerates to 2metres per second square for 6 seconds. it maintains this velocity for 10 seconds and decelerates to rest in 4 seconds (I) sketch a velocity time graph for the motion (ii) calculate distance the body covers

The racer ran swiftly down the track.

an odd number is less than 984000 but greater than 5 millions. It has digit 6 in the hundred thousands place. what is the number?

Using a ruler and a pair of commpasses only construct a triangle ABC in which |AB|=10cm,angle ABC=60 degrees and angle BAC=75degrees .I)the locus l1 of points equidistant from AB and AC ii) the locus l2 of points equidistant from AB and BC .b)locate the p...

Answers

The following answers were posted by visitors named Eunice.

Three human right violations and two example

I have a right to basic education.

Which career can i do next year after matric with the follow subject: Maths literacy, Economics, Business Studies, English, Zulu, Life oritation

A body of mass 10kg is acted on by a constant force if 20N for 3seconds .calculate the kinetic energy .the distance traveled

how would you start to write the letter

Pls explain clearly

In a simple machine the energy input a 120j .if the efficiency of the machine is 30%.calculate the ;

The answer is actually 15 and 16

Pls give answer to my question

Just make use of the first method it's much easier. Change both equations to base10 which is quite easy, when you get your new equation solve simultaneously then you get your values for x and y. Then convert it back to base 2 by dividing by 2

Tan o =(,12-1.4)\10