Which of the following are single replacement reactions? Choose all that apply. Question 1 options: NaHCO3(s) + HCl(aq) → NaCl(aq) + CO2(g) + H2O(l) Zn(s) + 2 HC2H3O2(aq) → Zn(C2H3O2)2(aq) + H2(g) N2(g) + 3 H2(g) → 2 NH3(g) 2 AgNO3(aq) + Cu(s) → 2 Ag(s...
June 6, 2014
which of the following body systems does NOT rely on the autonomic nervous system to stimulate involuntary events? A. Skeletal System B. Digestive System C. Circulatory System D. Respiratory System
February 25, 2014
Hi, can someone help me? What land biome has the lowest humidity? I guess Tundra. A tundra if I'm not mistaken. There were 4 answers: tundra temperate forest grassland rainforest
January 30, 2014
My Answers: 1-coordination,2-agility,3-her agility will likely improve. 4-power of the recovery stroke.5- yoga poses and skills. 6-stick handle the ball to a cone and shoot from that designated spot.7-extending their arms and maximizing the bat speed upon contact.8-sitting ...
January 22, 2014
1. If ΔRST symbol ΔNPQ, then RT line is congruent to _____. (1 point) line NP line NQ line PQ line QP 2. Given RST NPQ, RT = 7x 5, NQ = 5x + 11, find the length of RT and of NQ. (1 point) 8 51 40 56 3. Which of the following statements is true about the ...
December 5, 2013
The equation x^2+(y-5)^2=64 models the boundary on a local map for which Darren can hear his friend Tom on his two-way radio when Darren is at home. How far (in miles) can Tom walk from Darren's home and still be heard?
May 23, 2013
Winnie can use up to 10 coupons when buying a box of DVDs. Each coupon is worth $3. She bought a box of DVDs for $56 less the value of her coupons. a)choose a variable to represent the number of coupons. b)Write an Algebraic expression that describes the amount Winnie paid for...
May 15, 2013
Bibi wants to send invitations to some of her friends to come to her birthday party. She has contact information for 37 friends stored on her phone, but she only wants to invite 21 of those people to her party. She tries to send out a message to the 21 people, but her phone ...
April 21, 2013
3) for any factorable trinomial x^2+bx+c, will the absolute value of b sometimes,always, or never be less than the absolute value of c? explain idk 4) give an example of a trinomial that can be factored using the factoring techniques presented. then factor the trinomial. idk 5...
April 17, 2013
algebra 1 help
for 1) i did this k^2 - 4(1)(-19) = n^2 where n is any integer. k^2 + 76 = n^2 k = 18 and k = -18. 2) (-8)^2 - 4(1)(k) = n^2 where n is any integer. 64 - 4k = n^2 so k = 12 and k = 15.
April 17, 2013
An automobile tire contains air at a pressure of 200. kPa and 25°C. The tire and its air heat up during traveling. If the pressure increases to 250. kPa but the volume remains the same, what is the temperature of the air inside the tire?
April 9, 2013
A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X CENTIMETERS. A SQUARE HAS SIDES OF LENGTH 1/4 THAT OF THE RECTANGLE A) FIND THE LENGTH OF THE RECTANGLE B) FIND THE PERIMETER OF THE SQUARE C) FIND HOW MANY CCENTIMETERS GREATER THE RECTANGLE IS THAN THE SQUARES ...
February 25, 2013
How were divisions of time separated when scientists created the geologic time scale? by the thickness of rock strata by the color of rock strata by the fossils found in rock strata by the location of rock strata
February 21, 2013
What does Mrs. Frank think of the idea of Peter being Annes boyfriend? She is thrilled that Anne will finally have a boyfriend. She doesnt really care if Anne has a boyfriend. She is uncomfortable with idea that Anne might have a boyfriend.
February 11, 2013
A particle moves along a circular path over a horizontal xy coordinate system, at constant speed. At time t1 = 4.60 s, it is at point (4.30 m, 6.20 m) with velocity (3.30 m/s) and acceleration in the positive x direction. At time t2 = 13.0 s, it has velocity (3.30 m/s) ...
February 8, 2013
Government & Politics
Which of the following statements regarding the case, McClesky v. Kemp (1987), is TRUE? The Court upheld the constitutionality of the death penalty. The Court ruled that the death penalty did not violate the Fourteenth Amendment simply because minority defendants were more ...
January 22, 2013
PLEASE HELP geometry trapezoid problem please help
The solution is incorrect. 8 and 10 are the diagonals of the trapezoid, not the sides. The solution is far more complex.
December 4, 2012
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=3.591 A˚. What is the maximum wavelength (in meters) of radiation capable of...
November 17, 2012
Titanium (Ti) can be produced by the reaction of metallic sodium (Na) with titanium tetrachloride vapor (TiCl4). The byproduct of this reaction is sodium chloride (NaCl). Calculate the amount of titanium produced (in kg) when a reactor is charged with 61.0 kg of TiCl4 and 14.0...
November 17, 2012
Why would a neurosurgeon cut the corpus callosum and therefore disrupt left/ right brain hemisphere communication? reduce anxiety attacks and phobic reactions. prevent the spread of epileptic seizures. reduce the incidence of violent behaviors. treat schizophrenia. reduce mood...
November 1, 2012
Chlorpromazine is an antipsychotic drug that reduces paranoia and hallucinations by increasing involuntary muscle movements. reducing involuntary muscle movements. dampening responsiveness to irrelevant stimuli. decreasing the availability of norepinephrine. elevating arousal ...
November 1, 2012
A Kansas University research station wishes to investigate if a new variety of wheat is more resistant to a disease than an old variety. It is known that this disease strikes approximately 15% of all plants of the old variety. A field experiment was conducted, and of 120 new ...
October 26, 2012
I am very bad in parts of speech so I need help! Find all the verbs in each sentnce 1. We spent a considerable amount of time hiking up the mountain. 2. It was a foolhardy to go over the waterfall. In a canoe. 3. In the carribean waters there are fish of every hue. Thanks in ...
June 18, 2012
Please read my conclusion and just give me advice..... The topic is prejudice and all, out of 10 what would you give it and why. To sum it up, prejudice is a serious topic that we still discuss today. Governments have made laws based on prejudice but people still break these ...
May 20, 2012
okay now i need 1 person in the "not knowing future" side to tie up with "knowing future" well in my opinion i wouldn't because there would be no point of life then we all would be zombies
May 20, 2012