Answer is: hydrogen peroxide is more hazardous to consume.
Median lethal dose, LD50 (lethal dose, 50%) is a measure of the lethal dose of a toxin. LD50 used as a general indicator of a substance's acute toxicity, lower LD50 is indicative of increased toxicity (in this case 900 mg/kg is lower than 3310 mg/kg).

4 0

3 years ago

3. Which of the following are missing from the food web shown below?

Vera_Pavlovna [14]

I assume that it is herring

5 0

3 years ago

Assuming an efficiency of 30.80%, calculate the actual yield of magnesium nitrate formed from 147.4g of magnesium and excess cop

Reil [10]

Answer:

The answer to your question is 280 g of Mg(NO₃)₂

Explanation:

Data

Efficiency = 30.80 %

Mg(NO₃)₂ = ?

Magnesium = 147.4 g

Copper (II) nitrate = excess

Balanced Reaction

Mg + Cu(NO₃)₂ ⇒ Mg(NO₃)₂ + Cu

Reactants Elements Products

1 Mg 1

1 Cu 1

2 N 2

6 O 6

Process

1.- Calculate the theoretical yield

Molecular weight Mg = 24

Molecular weight Mg(NO₃)₂ = 24 + (14 x 2) + (16 x 6)

= 24 + 28 + 96

= 148 g

24 g of Mg -------------------- 148 g of Mg(NO₃)₂

147.4 g of Mg ------------------- x

x = (147.4 x 148) / 24

x = 908.96 g of Mg(NO₃)₂

2.- Calculate the Actual yield

yield percent = $\frac{actual yield}{theoretical yield}$

Solve for actual yield

Actual yield = Yield percent x Theoretical yield

Substitution

Actual yield = $\frac{30.8}{100}$ x 908.96

Actual yield = 279.95 ≈ 280g

4 0

3 years ago

Balance the equations by inserting coefficients as needed.

drek231 [11]

Answer:

first one is already balanced

2. MgN2+6HCl->3MgCl2+2NH3

Explanation:

4 0

3 years ago