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marshall27 [118]
4 years ago
14

Help me this 2 . I’m not good at this sorry

Chemistry
1 answer:
emmainna [20.7K]4 years ago
6 0

Left is respiratory

Right is circulatory

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Question is chemistry:
Black_prince [1.1K]

H2S hydrogen sulfide gas has a higher lattice energy because

Formula: H2S

Molar mass: 34.1 g/mol

Boiling point: -76°F (-60°C)

Melting point: -115.6°F (-82°C)

Density: 1.36 kg/m³

Soluble in: Water, Alcohol

8 0
3 years ago
Which weather condition is NOT associated with warm fronts??
slavikrds [6]

Answer:

A Winter storm usually does not come with a warm fronthey warm front.

Explanation:

When the front passes over an area it means to change in the weather. Many. Many friends cause weather events such as rain thunderstorms gusty winds tornadoes and hurricanes.

5 0
2 years ago
What happened when bromine reacted with aluminum?
-Dominant- [34]

Answer:

The reaction begins and builds up heat. This heat causes the aluminum to melt and float on top of the liquid bromine. Wherever the two elements meet, sparks, heat, and light are given off.

Explanation:

4 0
3 years ago
Consider the reaction below. 2Al2O3 4Al + 3O2 What is the mole ratio of oxygen to aluminum?
DiKsa [7]
The answer is 3/4.

The coefficient next to each reactant represents the amount of moles. The compound for oxygen is O2 and the compound for aluminum is 4. We can see that the number next to O2 is 3 and the number next to aluminum is 4.
8 0
3 years ago
Read 2 more answers
. Find the mass of 0.159 mol silicon dioxide.​
Juliette [100K]

Answer:

9.55 grams of SiO2

Explanation:

If the mass you mean by grams:

0.159 mole x 60.08 g (Periodic table by adding both elements)

Cancel moles with moles (Original moles with the 1 mol at the bottom of the grams) and gives you:

9.55 grams of SiO2

4 0
3 years ago
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