# Posts by venessa

Total # Posts: 15

**Chemistry**

0.299 g of NH4Cl is dissolved in 50.0 ml then titrated against 0.205 M NaOH. Calculate the pH at the equivalent point

**Math**

They need 4 pizzas because 32 divided by 8 equals 4

**psychology**

Which of the following is an example of an innate UCS-UCR connection? sneezing in response to pepper a temper tantrum raising your hand before asking a question in a classroom setting learning to ride a bike by watching your older brother doing so --------------- I believe (...

**science**

explain why must the ramp be angled initially to get a starting height

**science lab**

well did the dissolved oxygen levels go down with the rise in temperature or did they go up or did they stay the same in your experiment

**science**

conclusion?

**Physics**

tan 20(degrees)=Opposite/Adjacent =O/12.5 12.5tan20(degrees)=O O=horizontal

**physics**

north west--|--east south on your vector diagram draw a line going east(right) mark 50km the 30km north(up) for 30degrees east of north imagine a line going straight up(north) then measure 30degreese towards where east would be and make the line 25km once you've drawn the...

**Biology**

fat i think

**chemistry/physics**

singly ionized hydrogen (positive)- correct one proton doubly ionized hydrogen(positive)- two protons and two neutrons would be helium not hydrogen, did you mean to write hydrogen? because you cant doubly ionize hydrogen positively singly ionized oxygen (negative)-eight ...

**math**

is this a right angle triangle? if it is you can find the hypotenuse which is the longest side of the triangle using Pythagoras theorem a(squared)+b(squared)=c(squared) c=hypotenuse 20(squared)+48(squared)=c(squared) 400+2304=c(squared) 2704=c(squared) (square root)2704=c 52=c

**9th grade algebra**

oops sorry i havn't done this in a while thanx bobpursley -6-(-2-5^2)= =-6-(-2-25)= =-6-(-27)= (negatives cancel) =-6+27= =27-6= =21

**9th grade algebra**

-6-[-2-5(squared)]= =-6-[-2-25]= =-6-(-23)= =-23+6 =-17

**world issues**

i'm having trouble grasping what happened in the Solomon islands 'tensions' could you help me understand the main points/events whatever thanx

**science**

a threatened species means that the numbers of that species are getting low but not quite verging on extinction where as an endangered species is on the verge of extingtion

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