Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
3901	Simplifier	7x-5x-4+2x	$7 x - 5 x - 4 + 2 x$
3902	Simplifier	8.32cm*5.517cm	$8.32 cm \cdot (5.517 cm)$
3903	Simplifier	8.498*2	$8.498 \cdot 2$
3904	Simplifier	8554.1864	$855 \cdot 4.18 \cdot 64$
3905	Simplifier	85Ni+25H	$85 N i + 25 H$
3906	Simplifier	-5-6+2	$- 5 - 6 + 2$
3907	Simplifier	58.44620	$58.44 \cdot 6 \cdot 20$
3908	Simplifier	0.00001M	$0.00001 M$
3909	Simplifier	0.00125 MNaOH	$0.00125$ MNaOH
3910	Simplifier	0.254.59.0	$0.25 \cdot 4.5 \cdot 9$
3911	Simplifier	59.9*1.00	$59.9 \cdot 1$
3912	Simplifier	0.456x_0*0.00010	$0.456 x_{0} \cdot 0.0001$
3913	Simplifier	1.008*2	$1.008 \cdot 2$
3914	Simplifier	1.0M	$1 M$
3915	Simplifier	6(9)	$6 (9)$
3916	Simplifier	6*1.5%	$6 \cdot 1.5 %$
3917	Simplifier	H(Cr)	$H (C r)$
3918	Simplifier	H+Li+Mg	$H + L i + M g$
3919	Simplifier	10.00*(25.41(x-25))	$10 \cdot (25.41 (x - 25))$
3920	Simplifier	110.984*0.89	$110.984 \cdot 0.89$
3921	Simplifier	HCl+Cl	$H C l + C l$
3922	Simplifier	HCl+Mg	$H C l + M g$
3923	Simplifier	11p_4	$11 p_{4}$
3924	Simplifier	mg+o	$mg + o$
3925	Simplifier	127.0x_200*0.1	$127 x_{200} \cdot 0.1$
3926	Simplifier	13.6g*5.88	$13.6 g \cdot 5.88$
3927	Simplifier	15b-3(2b+5)+2(-5b+7)	$15 b - 3 (2 b + 5) + 2 (- 5 b + 7)$
3928	Simplifier	1 dLto (mcg)	$1$ dLto $(m cg)$
3929	Simplifier	2*H_2O	$2 \cdot H_{2} O$
3930	Simplifier	find (the)(pH)	find $(t h e) (p H)$
3931	Simplifier	2.30(mol)(of)(AL)	$2.3 (m o l e s) (o f) (A L)$
3932	Simplifier	2.30*2	$2.3 \cdot 2$
3933	Simplifier	Ir*9	$I r \cdot 9$
3934	Simplifier	Ir+At+Hs	$I r + A t + H s$
3935	Simplifier	k(s)+o(g)	$k (s) + o (g)$
3936	Simplifier	K+Cl	$K + C l$
3937	Simplifier	KOH+NiCl_2	$K O H + N i C l_{2}$
3938	Simplifier	25*30	$25 \cdot 30$
3939	Simplifier	256.366-61.92	$256.366 - 61.92$
3940	Simplifier	261.35g	$261.35 g$
3941	Simplifier	LaO_3+H_2O	$L a O_{3} + H_{2} O$
3942	Simplifier	27.05lb	$27.05 lbs$
3943	Simplifier	2CaC_2+2H_2O	$2 C a C_{2} + 2 H_{2} O$
3944	Simplifier	2CO+2HO	$2 C O + 2 H O$
3945	Simplifier	2CO_2+9DFG	$2 C O_{2} + 9 D F G$
3946	Simplifier	2H(g)+O_2(g)	$2 H (g) + O_{2} (g)$
3947	Équilibrer	(NH_4)_2SO_4+2KOH→2NH_4OH+K_2SO_4	${(N H_{4})}_{2} S O_{4} + 2 K O H \to 2 N H_{4} O H + K_{2} S O_{4}$
3948	Resolva para x	9x+15y=60 logarithme népérien de 9	$9 x + 15 y = 60 \ln (9)$
3949	Resolva para x	f(11)=5x-2	$f (11) = 5 x - 2$
3950	Équilibrer	2Co+O_2→2Co_2	$2 C o + O_{2} \to 2 C o_{2}$
3951	Resolva para x	f(x+1)=2x-9	$f (x + 1) = 2 x - 9$
3952	Resolva para x	f(x+3)=2(x-3)-1	$f (x + 3) = 2 (x - 3) - 1$
3953	Équilibrer	2H_2+O_2→4H_2O	$2 H_{2} + O_{2} \to 4 H_{2} O$
3954	Resolva para x	logarithme népérien de 0.0101=-0.00914x+(0.0880)	$\ln (0.0101) = - 0.00914 x + (0.088)$
3955	Équilibrer	2H_2O→2H_2+O_2	$2 H_{2} O \to 2 H_{2} + O_{2}$
3956	Resolva para x	logarithme de 0.03=x	$\log (0.03) = x$
3957	Resolva para x	logarithme de 0.05=x	$\log (0.05) = x$
3958	Resolva para x	logarithme de 10x=3	$\log (10) x = 3$
3959	Resolva para x	logarithme de 9x- logarithme de 2x-1 = logarithme de 8	$\log (9 x) - \log (2 x - 1) = \log (8)$
3960	Resolva para x	- logarithme de x=4.1	$- \log (x) = 4.1$
3961	Resolva para x	- logarithme de x=6.04	$- \log (x) = 6.04$
3962	Équilibrer	2HgO(s)→2Hgl	$2 H g O (s) \to 2 H g l$
3963	Équilibrer	2MG+CO_2→C+2 MGO	$2 M G + C O_{2} \to C + 2$ MGO
3964	Équilibrer	2NH_3+CO_2→x+H_2O	$2 N H_{3} + C O_{2} \to x + H_{2} O$
3965	Équilibrer	1.00mol=O(2g)
3966	Trouver la quantité de chaleur nécessaire	How (much)(heat)(is)(needed)(to)(warm)(41g)(of)(water)(from)(35 degrés C)(to)(45 degrés C)	How $(μ c h) (h e a t) (i s) (n e e d e d) (t o) (w a r m) (41 g) (o f) (w a t e r) (f r o m) (35 ° C) (t o) (45 ° C)$
3967	Trouver la densité aux CNTP	Nb_8	$N b_{8}$
3968	Resolva para H	4.5=- logarithme de H	$4.5 = - \log (H)$
3969	Resolva para H3	3.5=- logarithme de H_3O	$3.5 = - \log (H_{3} O)$
3970	Trouver la densité aux CNTP	NH_3O_3I	$N H_{3} O_{3} I$
3971	Resolva para k	0.09=k-0.7	$0.09 = k - 0.7$
3972	Trouver la densité aux CNTP	H_3BO_3	$H_{3} B O_{3}$
3973	Resolva para k	4.7128 = logarithme de k	$4.7128 = \log (k)$
3974	Trouver le pH	how (many)(ml)(of)(methanol)(are)(needed)(to)(prepare)(250ml)(of)*3.5(percet)(solution)	how $(m a n y) (mL) (o f) (m e t h a n o l) (a r e) (n e e d e d) (t o) (p r e p a r e) (250 mL) (o f) \cdot 3.5 (p e r c e t) (s o l u t i o n)$
3975	Trouver le pH	what is the pH of a*0.000460M solution of Ca(OH)_2	what is the $p H$ of $a \cdot 0.00046 M$ solution of $C a {(O H)}_{2}$
3976	Trouver le pH	what is the pH of a solution of H_2SO_4 that has	what is the $p H$ of a solution of $H_{2} S O_{4}$ that has
3977	Trouver le pH	0.8MH_3BO_3 solution	$0.8 M H_{3} B O_{3}$ solution
3978	Trouver le pH	0.30MNH_3(NH_4OH) solution	$0.3 M N H_{3} (N H_{4} O H)$ solution
3979	Trouver le pH	0.3MNH_4OH solution	$0.3 M N H_{4} O H$ solution
3980	Resolva para n	0.100=47.9-0.94n	$0.1 = 47.9 - 0.94 n$
3981	Trouver la chaleur spécifique	What (is)(the)(specific)(heat)(of)(the)(substan(ce))(if)(495cal)(increases)(the)(temperature)(of)(68g)(from)(40 degrés C)(to)(50 degrés C)	What $(i s) (t h e) (s p e c i f i c) (h e a t) (o f) (t h e) (s u b s \tan (c e)) (i f) (495 c a l) (i n c r e a s e s) (t h e) (t e m p e r a t u r e) (o f) (68 g) (f r o m) (40 ° C) (t o) (50 ° C)$
3982	Trouver le pH	0.47MNH_4OH solution	$0.47 M N H_{4} O H$ solution
3983	Resolva para n	n+(n+1)+(n+1+1)=27	$n + (n + 1) + (n + 1 + 1) = 27$
3984	Resolva para O	7.15=- logarithme de H_3O	$7.15 = - \log (H_{3} O)$
3985	Resolva para O	pH+pOH=14.0	$p H + p O H = 14$
3986	Resolva para p	12+p=50	$12 + p = 50$
3987	Trouver la densité aux CNTP	PF_3	$P F_{3}$
3988	Trouver la densité aux CNTP	Sb	$S b$
3989	Resolva para p	p-(p+24)=8(p-3)+2p	$p - (p + 24) = 8 (p - 3) + 2 p$
3990	Trouver la densité aux CNTP	TcKr	$T c K r$
3991	Trouver la densité aux CNTP	Zr	$Z r$
3992	Trouver la densité aux CNTP	ZrHAuMoDySSbIr	$Z r H A u M o D y S S b I r$
3993	Trouver la densité aux CNTP	CH_3(CH_2)_14COOH	$C H_{3} {(C H_{2})}_{14} C O O H$
3994	Resolva para s	125.52=19.90s8	$125.52 = 19.9 \cdot s \cdot 8$
3995	Trouver la densité aux CNTP	71gCl	$71 g C l$
3996	Trouver la densité aux CNTP	AcThPaUNpPuAmCmBkCfEsFmEsEsEsEsEsNoNo	$A c T h P a U N p P u A m C m B k C f E s F m E s E s E s E s E s N o N o$
3997	Trouver la densité aux CNTP	BArGaIn	$B A r G a I n$
3998	Trouver la densité aux CNTP	Bi	$B i$
3999	Trouver la densité aux CNTP	C_14H_14N_3O_3SNa	$C_{14} H_{14} N_{3} O_{3} S N a$
4000	Trouver la densité aux CNTP	Ca(SO_4)	$C a (S O_{4})$