The oxidizing agent in 2H2S + 3O2 → 2SO2 + 2H2O is

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Answer 1

Answer:

Hello, Ginamuhs2!

The oxidizing agent in 2H2S + 3O2 → 2SO2 + 2H2O is the oxygen.

I hope this helps;)

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The compound known as butylated hydroxytoluene, abbreviated as BHT, contains carbon, hydrogen, and oxygen. A 1.376 g sample of BHT was combusted in an oxygen rich environment to produce 4.122 g of CO 2 ( g ) and 1.350 g of H 2 O ( g ) . Insert subscripts to complete the empirical formula of BHT.
Which of the following compounds will experience dipole-dipole forces of attraction? Cl2 NaCl H2SC2H4
A 10.0-gram sample of which element has the smallest volume at STP?(1) aluminum (3) titanium(2) magnesium (4) zinc
Which compound has the highest precent composition by mass of strontium? A) SrCl2 B) SrI2 C) SrO D) SrS

A student measures the mass of a substance as 1.7132kg and it's volume as 0.65l. What is the density substance in g/mL? Round your answer to the correct number of significant figures

Answers

Answer:

The substance has a density of 2.636 grams per mililiter.

Explanation:

We must remember that density ( $\rho$ ), measured in grams per mililiters, is the mass of the substance ( $m$ ), measured in grams, divided by its volume ( $V$ ), measured in mililiters. That is:

$\rho = (m)/(V)$

In addition, a kilogram equals 1000 grams and a liter equals 1000 mililiters. If we know that $m = 1713.2\,g$ and $V = 650\,mL$ , then:

$\rho = (1713.2\,g)/(650\,mL)$

$\rho = 2.636\,(g)/(mL)$

The substance has a density of 2.636 grams per mililiter.

Which is an example of a highly unstable isotope that is often used in fission reactions? A. c-12
B. c-14
C. u-235
D. u-238

Answers

The right answer to this question is U-235. It is an isotope of Uranium and it is an unsteady heavy metal used in fission reactions because it can run long chains of reactions. I hope this helps.

Answer:

C. U-235

Explanation:

A fission reaction is one in which an unstable radioisotope breaks down into smaller nuclei when bombarded with energetic particles.

The highly unstable isotope that is often used in fission reactions is U-235. When bombarded with neutrons that atom breaks down to form krypton and barium along with the release of a large amount of energy. The reaction is given as:

₉₂U²³⁵ + ₀n¹ → ₃₆Kr⁸⁹ + ₅₆Ba¹⁴⁴ + 3₀n¹ + 210 Mev energy

In an aqueous solution, a chloride ion is attracted to which end of the water molecule?

Answers

Answer : In an aqueous solution, a chloride ion is attracted to the hydrogen end of the water molecule.

Explanation :

The meaning of aqueous solution is the solution in which the solvent is water. In water molecule $H_2O$ , oxygen atom is more electronegative than the hydrogen atom. That means, the hydrogen in the water molecule has partial positive charge and oxygen has partial negative charge.

As the chloride ion have the (-1) negative charge. So, it will be attracted towards the positive charge that is hydrogen end of the water molecule because opposite charges attract to each other.

Hence, in an aqueous solution, a chloride ion is attracted to the hydrogen end of the water molecule.

The end with the hydrogen atoms because the chloride ion is negatively charged while the hydrogen is positive. Hope this helps

Copper(i) ions in aqueous solution react with nh3(aq) according to

Answers

The complete question is; copper (i) ions in aqueous solutions react with NH3(aq) according to;
Cu +2NH3 = Cu(NH3)2 Kt= 6.3 × 10^10
Calculate K
Cu + 2NH3 = Cu(NH3)2
kf = 6.3 ×10^10
The ksp for CuBr = Cu + Br = 6.3 × 10^-9
For the reaction; CuBr +2NH3 = Cu(NH3)2 + Br to calculate K?
K = (6.3 × 10^10)(6.3×10^-9)
Thus K is 396.9

In what respect does an atom of magnesium differ from a magnesium ion (Mg^{2+})? (A)The ion has a more stable electronic arrangement than the atom.
(B)The positive charge on the nucleus of the ion is two units greater than the nuclear charge on the atom.
(C)The ion has two more protons than the atom.
(D)The ion will react more readily with free Cl₂.
(E)The ion has two more planetary electrons than the atom.
Can anyone explain this one?

Answers

both b and d are correct however the ion reacts more readily to a number of different elements. not just Cl2 so the best correct answer is b: the positive charge on the nucleus of the ion us two units greater than the nuclear charge on the atom.

________ are molecules whose general structure includes a central carbon with a carboxyl group, an amine group, a hydrogen molecule, and a residual (r) group.

Answers

The amino acids are the molecules where we can found the carboxyl group (- $COO^(-)$ ), amino group (- $NH_(2)$ ), hydrogen atom (H) and a residual R-group. On the structure of the residual R-group the name of the amino acid depends. Like if R is hydrogen (H) the amino acid is alanine; If R- group is a phenyl group i.e. $-C_(6)H_(5)$ , the compound is called phenyl alanine. The structure of the general amino acid skeleton can be shown as-

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