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ikadub [295]
3 years ago
15

There is no connection between the study of chemistry and physics. A. true B. false

Chemistry
1 answer:
9966 [12]3 years ago
4 0
B. False, have a connection between chemistry and physis
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If  O2(g) reacts with H2(g) to produce  H2O, what is the volume of H2O obtained from 1 L of O2?
joja [24]

Answer:

2L

Explanation:

We'll begin by writing the balanced equation for the reaction this is illustrated below:

2H2 + O2 —> 2H2O

1 mole of a gas occupy 22.4L.

1 mole of O2 occupy 22.4L.

2 moles of H2O occupy = 2 x 22.4 = 44.8L.

From the balanced equation above,

22.4L of O2 produced 44.8L of H2O.

Therefore, 1L of O2 will produce = 44.8/22.4 = 2L.

Therefore, 1L of O2 will produce 2L of H2O.

7 0
3 years ago
Which is a characteristic of a mixture?
Fudgin [204]

Answer:

A mixture is the blending of two or more dissimilar substances. A major characteristic of mixtures is that the materials do not chemically combine. Mixtures can be divided into those that are evenly distributed (homogeneous) and those that aren't (heterogeneous).

Explanation:

3 0
3 years ago
Composition about my favorite sport in french​
ElenaW [278]

Answer:

Le football est mon sport préféré. C'est aussi un sport célèbre dans le monde entier. En jouant au football, nous pouvons garder notre corps fort, en forme et flexible, jouer au football est un bon exercice et bon pour la santé. Il a besoin d'un terrain spacieux. Le nombre de joueurs nécessaires pour ce jeu est de vingt-deux. Il y a deux groupes. Chaque groupe compte onze joueurs. Chaque groupe a un gardien de but. Il y a un centre à partir duquel le jeu commence avec l'arbitre. Il a le pouvoir de commenter le bien ou le mal. Les joueurs doivent respecter les règles du sport. Si un joueur lui désobéit, il est disqualifié et sort du terrain de jeu. Lorsque le but est marqué des supporters, la joie n’a pas de limite. Des applaudissements passionnants sont visibles lorsqu'un but est marqué. Cette pièce est originaire d'Angleterre. Ensuite, il s'est répandu dans presque tous les coins et recoins du monde. Sa popularité augmente de jour en jour.

3 0
3 years ago
To neutralized 1.65g LiOH, how much .150M HCl would be needed?
katovenus [111]
0.1 M x 0.5L = 0.05 mols HCl.
Adding 25 mL 2M NaOH is
2M x 0.025 L = 0.05 mols NaOH.
What you want to do is to back off very slightly with the NaOH (you might try something like 24.95 mL which I calculate to give 0.00019 M or a pH of 3.7. Inching closer, 24.99 mL would leave H^+ of 4E-5 for pH 4.4. The problem here is two-fold.
hope it helps
 
8 0
4 years ago
3) What is the new strategy for disposing of nuclear waste? How is this strategy still dangerous?
kumpel [21]

Answer:

the newest strategy on get hurt a nuclear warhead we store any chemical agents is to actually dispose of them area of water lighten them off where there is no land animals or any other living breathing animals mammals plantations therefore the correct waste should be disposed of properly by either nuking it in like a loner thing when we burn bodies or in an isolated area where it cannot harm fellow American people animals tree life they should be disposed of properly properly by scientists that have corrected it and know how to break it down there for non giving harmful bacteria land my phone is going to die over Zone and taking away our atmosphere

4 0
3 years ago
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