DESPERATE URGENT AGLEBRA 3 WORD problems HELP NEEDED!?
1.One weekend Chad rode his bike on a mountian trail that was 16 miles long. The next weekend he biked on a 36 mile road course. His average speed on the road course was 6 mph faster than his average speed on the mt. trail. If it took Chad 1/2 hour longer to complete the mt. trail than the road course, what was his average speed on the road course? I GOT, 9.85MPH. 2.Two math students were working on their packets. One student could finish 5 more problems per hour than the other. The slower student completed 45 problems and the faster student completed 55. It took the slower students 15 minutes more than the faster to complete his problems. How many problems per hour could the faster student complete? (Think of this as a motion problem: D=RT) I GOT 20. 3.In a certian factory, Team A can build a product in 4 hours less than Team B. When both teams work togther, they can biuld the product in 3 hrs. 45 mins. How long does it take Team B to build the product alone? I GOT 10 HOURS
Chem Help!!! Desperate!!! needed in an hour!!! please!!! 10 easy pts.?
Sorry, but copper (II) sulfate pentahydrate doesn't BURN as you say. You can only heat it, normally to drive off the water of crystallisation. If you overheat it, it starts breaking down to some copper oxide. The effect is that the white anhydrous copper(II) sulfate becomes grey due to the CuO. This gives a bigger mass loss and an apparently highter amount of water of crystallisation. As you don't actually say WHAT the experiment is trying to find, I can only guess! Perhaps the Percentage water of crystallisation .. it would give higher percent Perhaps the formula .. you'd get more than the correct 5H2O As it isn't clear exactly what you are asking, I've given three possibilities that should cover it!
DESPERATE help for balancing redox eqautions!!! guranteed 10 points!?
OK, let's see. MnO4(-) + Br(-) -> MnO2 + BrO3(-) Mn drops from +7 to +4, and Br rises from -1 to +5 Mn: -3 Br: +6 You need 2 Mn atoms per Br atom. 2MnO4(-) + Br(-) -> 2MnO2 + BrO3(-) This balances the electrons, but not the O atoms. You need an acidic solution here. 2MnO4(-) + Br(-) + 2H(+) -> 2MnO2 + BrO3(-) + H2O H2O + H3PO4 + I2 -> H3PO2 + IO3(-) + H(+) P: +5 to +1 -> change = -4 I: 0 to +5 -> change = +5 Need 5 P atoms for every 4 I atoms H2O + 5H3PO4 + 4I2 -> 5H3PO2 + 4IO3(-) + H(+) Now balance the H and O. 2H2O + 5H3PO4 + 4I2 -> 5H3PO2 + 4IO3(-) + 4H(+) Cu + HNO3 -> Cu(NO3)2 + NO + H2O Cu: 0 -> +2, change = +2 N: +5 to +2, change = -3 Need 3 copper for every 2 N in NO (this is the only nitrogen that changes). 3Cu + ?HNO3 -> 3Cu(NO3)2 + 2NO + ?H2O 3Cu + 8HNO3 -> 3Cu(NO3)2 + 2NO + 4H2O Fe + O2 + H2O---> Fe(OH)3 Fe: 0 to +3, change +3 O: 0 to -2, change -2 Need 2 Fe for every 3 O 2Fe + 1.5O2 + ?H2O -> 2Fe(OH)3 2Fe + 1.5O2 + 3H2O -> 2Fe(OH)3 (balances the H and O) 4Fe + 3O2 + 6H2O -> 4Fe(OH)3 Answers: 2MnO4(-) + Br(-) + 2H(+) -> 2MnO2 + BrO3(-) + H2O 2H2O + 5H3PO4 + 4I2 -> 5H3PO2 + 4IO3(-) + 4H(+) 3Cu + 8HNO3 -> 3Cu(NO3)2 + 2NO + 4H2O 4Fe + 3O2 + 6H2O -> 4Fe(OH)3
HELP! URGENT! Sprained ankle, need advice! quickly !?
Ok. i have a REALLY bad ankle and i have sprained it and done ligament damage like 5 times but i done it again at school yesterday.. i cant walk properly and its killing me! I have taken Nurofen and stuff but i cant have anything stronger because i have stomach problems and on a strict diet from my GP... My ankle, on the inside, you know where the bone is? well, its from like there up..but the strange thing is its got a massive lump right undder the bone and all around the bone is starting to bruise.. i have my netball grand final tomoro and i HAVE to play.. And im one of the most needed players! (not saying that in a upmyself way). I just went outside to see if i could shoot alright and i can but instinct hits me and i raise my leg! i cant stop it! its instinct! And also, i thought that i should try running and i just burst out in tears because of the pain.. i REAAAALLLLLYY NEED TO PLAY NETBALL TOMORO, NETBALL IS MY LIFE AND ITS THE GRANDFINAL, IF IT WASNT MY MUM WOULDNT LET ME PLAY!! if u can give me any tips/advice on how to get my ankle up and running by tomoro, or even some exercises! just help me!! im beyond desperate now!! x
Has Allah ever answered your dua instantaneously?
Yes I will tell you some of the answered Duaa on the spot :One night my husband took me on a date and during our date he kept checking his mobile phone.On our way back home , I wanted a bit of holding hands and tried to get his attention but he was more interested in his mobile phone and game Clash of Clans, so I decided to walk speedily and leave him behind me a few meters, I was fuming and mumbled “inshallah it breaks that bloody phone of yours” . Instantly I heard him dropped something, I knew it was his phone I smiled .It was broken , I could not stop laughing hearing him swear. So I turned around and laughed and my hubby was sad , he knew instantly that it was because of my Duaa .On another occasion our bouler broke down for 3 days no hot water no heating. We brought an engineer who opened it up and tried to fix it but he said :” it is broken you need a new one”We brought a second engineer and he came to the same verdict “it is broken you need a new one”My husband was gutted and worried where would we get 4000 pounds to replace this broken one.On hearing him despairing I called secretly “oh Allah , you have all Power surely fixing this boiler is an easy thing for you” 30 mins later my husband came to me and said “ I just powered it again and it worked ! “ “ Yes darling and don’t worry it will last till the summer, it just came to my mind that when I am stuck at work with an IT problem , I usually go do my prayer and pray Allah to fix it or to help me fix it and it ALWAYS worked so I literally made duaa 30 mins ago for Allah to fix the boilerand He did Alhamdulilah ”That way Allah fixed a washing machine and a hoover too for me :-)On so many occasions at work I am not as geeky as my colleagues but I earned a reputation of having magic when it comes to fixing issues , lolThis goes without saying that I thank God for each answer He does . He says in the Quranand He also says :
Please help me set this problem up...I'm desperate?
I'm really struggling with this problem... I've literally been working on it for hours and can't come up with an answer that makes sense. Any help at all would be awesome. Thank you so much in advance.... When you jog, most of the food energy you burn above your basal metabolic rate (BMR) ends up as internal energy that would raise your body temperature if it were not eliminated. The evaporation of perspiration is the primary mechanism for eliminating this energy. Determine the amount of water you lose to evaporation when running for 35 minutes at a rate that uses 400 kcal/h above your BMR. (That amount is often considered to be the "maximum fat-burning" energy output. The latent heat of vaporization of water at room temperature is 2.5 x 10^6 J/kg.)
If a girl I'm texting is slow to reply, should I reply immediately after I saw the texts or should I wait to not look desperate?
I was a lot like you. I still kinda am. I reply pretty quickly back to everyone guys and girls. This habit while convenient for the person I'm texting is a serious problem for me.it angered me when people didn't reply in a timeframe I found acceptable. I'd get pissed and wonder what took people so long to reply, how possibly busy could some of them be.This problem was even worse with girls because I had invested interest in lots of these girls so when my return investment (their attention) wasn't what I wanted it pissed me off more and made my texting even worst i’d reply back in seconds instead of minutes.Yes you do look desperate. Neediness looks awful when anyone does it but from personal experience I've realized society or men tend to tolerate neediness much more than women do. A needy man is a man with low value, women want a man with value and this means a man who isn't always available because he's got shit to do. His world doesn't revolve around her, and this makes him more attractive.Here's a rule. If she takes 12 mins to take back, text her back in 15. If she takes 3 mins text her back in 3–7 mins. You don't ever text her back In less time than she did. So if she texts you back in 5 mins don't text her back in 2. This is neediness. She must learn to value your time. So you either text her at the same rate or wait longer to reply. Don't ever text her quicker than she texts you. Hope this helped.
How do we explain how the positive current flows from the battery through the ammeter??
electric current is the motion of charged particles: electrons. Electrons have a negative charge so the direction of positive current is actually the opposite direction that electrons are moving. Positive current goes from high potential to low potential--the + side of the battery to the - side of the battery. This means in reality that electrons are flowing from the - side of the battery to the + side of the battery (opposite the current) In order to support the motion of electons, a chemical reaction must be happening in solution that absorbs electrons at the + side and emits electrons at the - side. This means that an oxidation occurs at the - side and a reduction occurs at the + side. (An oxidation involves electron loss and reduction involves electron gain--use the pneumonic: OIL RIG = Oxidation Is Loss, Reduction Is Gain (with respect to electrons) Also, FYI the + side is called the cathode and the - side is called the anode.